Vishing Goes High-Tech: New 'Letscall' Malware Employs Voice Traffic Routing

Researchers have issued a warning about an emerging and advanced form of voice phishing (vishing) known as "Letscall." This technique is currently targeting individuals in South Korea. The criminals behind "Letscall" employ a multi-step attack to deceive victims into downloading malicious apps from a counterfeit Google Play Store website. Once the malicious software is installed, it redirects

Another Critical Unauthenticated SQLi Flaw Discovered in MOVEit Transfer Software

Progress Software has announced the discovery and patching of a critical SQL injection vulnerability in MOVEit Transfer, popular software used for secure file transfer. In addition, Progress Software has patched two other high-severity vulnerabilities. The identified SQL injection vulnerability, tagged as CVE-2023-36934, could potentially allow unauthenticated attackers to gain unauthorized

Mastodon Social Network Patches Critical Flaws Allowing Server Takeover

Mastodon, a popular decentralized social network, has released a security update to fix critical vulnerabilities that could expose millions of users to potential attacks. Mastodon is known for its federated model, consisting of thousands of separate servers called "instances," and it has over 14 million users across more than 20,000 instances. The most critical vulnerability, CVE-2023-36460,

Close Security Gaps with Continuous Threat Exposure Management

CISOs, security leaders, and SOC teams often struggle with limited visibility into all connections made to their company-owned assets and networks. They are hindered by a lack of open-source intelligence and powerful technology required for proactive, continuous, and effective discovery and protection of their systems, data, and assets. As advanced threat actors constantly search for easily

BlackByte 2.0 Ransomware: Infiltrate, Encrypt, and Extort in Just 5 Days

Ransomware attacks are a major problem for organizations everywhere, and the severity of this problem continues to intensify. Recently, Microsoft's Incident Response team investigated the BlackByte 2.0 ransomware attacks and exposed these cyber strikes' terrifying velocity and damaging nature. The findings indicate that hackers can complete the entire attack process, from gaining initial access

Google Releases Android Patch Update for 3 Actively Exploited Vulnerabilities

Google has released its monthly security updates for the Android operating system, addressing 46 new software vulnerabilities. Among these, three vulnerabilities have been identified as actively exploited in targeted attacks. One of the vulnerabilities tracked as CVE-2023-26083 is a memory leak flaw affecting the Arm Mali GPU driver for Bifrost, Avalon, and Valhall chips. This particular

JumpCloud Resets API Keys Amid Ongoing Cybersecurity Incident

JumpCloud, a provider of cloud-based identity and access management solutions, has swiftly reacted to an ongoing cybersecurity incident that impacted some of its clients. As part of its damage control efforts, JumpCloud has reset the application programming interface (API) keys of all customers affected by this event, aiming to protect their valuable data. The company has informed the concerned

Cybersecurity Agencies Sound Alarm on Rising TrueBot Malware Attacks

Cybersecurity agencies have warned about the emergence of new variants of the TrueBot malware. This enhanced threat is now targeting companies in the U.S. and Canada with the intention of extracting confidential data from infiltrated systems. These sophisticated attacks exploit a critical vulnerability (CVE-2022-31199) in the widely used Netwrix Auditor server and its associated agents. This

Iranian Hackers' Sophisticated Malware Targets Windows and macOS Users

The Iranian nation-state actor known as TA453 has been linked to a new set of spear-phishing attacks that infect both Windows and macOS operating systems with malware. "TA453 eventually used a variety of cloud hosting providers to deliver a novel infection chain that deploys the newly identified PowerShell backdoor GorjolEcho," Proofpoint said in a new report. "When given the opportunity, TA453

Surviving the 800 Gbps Storm: Gain Insights from Gcore's 2023 DDoS Attack Statistics

Gcore Radar is a quarterly report prepared by Gcore that provides insights into the current state of the DDoS protection market and cybersecurity trends. This report offers you an understanding of the evolving threat landscape and highlights the measures required to protect against attacks effectively. It serves as an insight for businesses and individuals seeking to stay informed about the

Researchers Uncover New Linux Kernel 'StackRot' Privilege Escalation Vulnerability

Details have emerged about a newly identified security flaw in the Linux kernel that could allow a user to gain elevated privileges on a target host. Dubbed StackRot (CVE-2023-3269, CVSS score: 7.8), the flaw impacts Linux versions 6.1 through 6.4. There is no evidence that the shortcoming has been exploited in the wild to date. "As StackRot is a Linux kernel vulnerability found in the memory

How Pen Testing can Soften the Blow on Rising Costs of Cyber Insurance

As technology advances and organizations become more reliant on data, the risks associated with data breaches and cyber-attacks also increase. The introduction of data privacy laws, such as the GDPR, has made it mandatory for organizations to disclose breaches of personal data to those affected. As such, it has become essential for businesses to protect themselves from the financial and

Swedish Data Protection Authority Warns Companies Against Google Analytics Use

The Swedish data protection watchdog has warned companies against using Google Analytics due to risks posed by U.S. government surveillance, following similar moves by Austria, France, and Italy last year. The development comes in the aftermath of an audit initiated by the Swedish Authority for Privacy Protection (IMY) against four companies CDON, Coop, Dagens Industri, and Tele2. "In its audits

DDoSia Attack Tool Evolves with Encryption, Targeting Multiple Sectors

The threat actors behind the DDoSia attack tool have come up with a new version that incorporates a new mechanism to retrieve the list of targets to be bombarded with junk HTTP requests in an attempt to bring them down. The updated variant, written in Golang, "implements an additional security mechanism to conceal the list of targets, which is transmitted from the [command-and-control] to the

Mexico-Based Hacker Targets Global Banks with Android Malware

An e-crime actor of Mexican provenance has been linked to an Android mobile malware campaign targeting financial institutions globally, but with a specific focus on Spanish and Chilean banks, from June 2021 to April 2023. The activity is being attributed to an actor codenamed Neo_Net, according to security researcher Pol Thill. The findings were published by SentinelOne following a Malware

Alert: 330,000 FortiGate Firewalls Still Unpatched to CVE-2023-27997 RCE Flaw

No less than 330,000 FortiGate firewalls are still unpatched and vulnerable to CVE-2023-27997, a critical security flaw affecting Fortinet devices that has come under active exploitation in the wild. Cybersecurity firm Bishop Fox, in a report published last week, said that out of nearly 490,000 Fortinet SSL-VPN interfaces exposed on the internet, about 69 percent remain unpatched. CVE-2023-27997

Chinese Hackers Use HTML Smuggling to Infiltrate European Ministries with PlugX

A Chinese nation-state group has been observed targeting Foreign Affairs ministries and embassies in Europe using HTML smuggling techniques to deliver the PlugX remote access trojan on compromised systems. Cybersecurity firm Check Point said the activity, dubbed SmugX, has been ongoing since at least December 2022, adding it's part of a broader trend of Chinese adversaries shifting their focus

Improve Your Security WordPress Spam Protection With CleanTalk Anti-Spam

Every website owner or webmaster grapples with the issue of spam on their website forms. The volume of spam can be so overwhelming that finding useful information within it becomes quite challenging. What exacerbates this issue is that spam can populate your public pages, appearing in comments and reviews. You likely understand how this can damage your website's reputation, affect search results

CISA Flags 8 Actively Exploited Flaws in Samsung and D-Link Devices

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has placed a set of eight flaws to the Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. This includes six shortcomings affecting Samsung smartphones and two vulnerabilities impacting D-Link devices. All the flaws have been patched as of 2021. CVE-2021-25394 (CVSS score: 6.4) - Samsung mobile

Evasive Meduza Stealer Targets 19 Password Managers and 76 Crypto Wallets

In yet another sign of a lucrative crimeware-as-a-service (CaaS) ecosystem, cybersecurity researchers have discovered a new Windows-based information stealer called Meduza Stealer that's actively being developed by its author to evade detection by software solutions. "The Meduza Stealer has a singular objective: comprehensive data theft," Uptycs said in a new report. "It pilfers users' browsing

BlackCat Operators Distributing Ransomware Disguised as WinSCP via Malvertising

Threat actors associated with the BlackCat ransomware have been observed employing malvertising tricks to distribute rogue installers of the WinSCP file transfer application. "Malicious actors used malvertising to distribute a piece of malware via cloned webpages of legitimate organizations," Trend Micro researchers said in an analysis published last week. "In this case, the distribution

Hackers Exploiting Unpatched WordPress Plugin Flaw to Create Secret Admin Accounts

As many as 200,000 WordPress websites are at risk of ongoing attacks exploiting a critical unpatched security vulnerability in the Ultimate Member plugin. The flaw, tracked as CVE-2023-3460 (CVSS score: 9.8), impacts all versions of the Ultimate Member plugin, including the latest version (2.6.6) that was released on June 29, 2023. Ultimate Member is a popular plugin that facilitates the

Beware: New 'RustBucket' Malware Variant Targeting macOS Users

Researchers have pulled back the curtain on an updated version of an Apple macOS malware called RustBucket that comes with improved capabilities to establish persistence and avoid detection by security software. "This variant of RustBucket, a malware family that targets macOS systems, adds persistence capabilities not previously observed," Elastic Security Labs researchers said in a report

Iranian Hackers Using POWERSTAR Backdoor in Targeted Espionage Attacks

Charming Kitten, the nation-state actor affiliated with Iran's Islamic Revolutionary Guard Corps (IRGC), has been attributed to a bespoke spear-phishing campaign that delivers an updated version of a fully-featured PowerShell backdoor called POWERSTAR. "There have been improved operational security measures placed in the malware to make it more difficult to analyze and collect intelligence,"

3 Reasons SaaS Security is the Imperative First Step to Ensuring Secure AI Usage

In today's fast-paced digital landscape, the widespread adoption of AI (Artificial Intelligence) tools is transforming the way organizations operate. From chatbots to generative AI models, these SaaS-based applications offer numerous benefits, from enhanced productivity to improved decision-making. Employees using AI tools experience the advantages of quick answers and accurate results, enabling

WhatsApp Upgrades Proxy Feature Against Internet Shutdowns

Meta's WhatsApp has rolled out updates to its proxy feature, allowing more flexibility in the kind of content that can be shared in conversations. This includes the ability to send and receive images, voice notes, files, stickers and GIFs, WhatsApp told The Hacker News. The new features were first reported by BBC Persian. Some of the other improvements include streamlined steps to simplify the

Cybercriminals Hijacking Vulnerable SSH Servers in New Proxyjacking Campaign

An active financially motivated campaign is targeting vulnerable SSH servers to covertly ensnare them into a proxy network. "This is an active campaign in which the attacker leverages SSH for remote access, running malicious scripts that stealthily enlist victim servers into a peer-to-peer (P2P) proxy network, such as Peer2Profit or Honeygain," Akamai researcher Allen West said in a Thursday

MITRE Unveils Top 25 Most Dangerous Software Weaknesses of 2023: Are You at Risk?

MITRE has released its annual list of the Top 25 "most dangerous software weaknesses" for the year 2023. "These weaknesses lead to serious vulnerabilities in software," the U.S. Cybersecurity and Infrastructure Security Agency (CISA) said. "An attacker can often exploit these vulnerabilities to take control of an affected system, steal data, or prevent applications from working." The list is

From MuddyC3 to PhonyC2: Iran's MuddyWater Evolves with a New Cyber Weapon

The Iranian state-sponsored group dubbed MuddyWater has been attributed to a previously unseen command-and-control (C2) framework called PhonyC2 that's been put to use by the actor since 2021. Evidence shows that the custom made, actively developed framework has been leveraged in the February 2023 attack on Technion, an Israeli research institute, cybersecurity firm Deep Instinct said in a

Fluhorse: Flutter-Based Android Malware Targets Credit Cards and 2FA Codes

Cybersecurity researchers have shared the inner workings of an Android malware family called Fluhorse. The malware "represents a significant shift as it incorporates the malicious components directly within the Flutter code," Fortinet FortiGuard Labs researcher Axelle Apvrille said in a report published last week. Fluhorse was first documented by Check Point in early May 2023, detailing its

The Right Way to Enhance CTI with AI (Hint: It's the Data)

Cyber threat intelligence is an effective weapon in the ongoing battle to protect digital assets and infrastructure - especially when combined with AI. But AI is only as good as the data feeding it. Access to unique, underground sources is key. Threat Intelligence offers tremendous value to people and companies. At the same time, its ability to address organizations' cybersecurity needs and the

North Korean Hacker Group Andariel Strikes with New EarlyRat Malware

The North Korea-aligned threat actor known as Andariel leveraged a previously undocumented malware called EarlyRat in phishing attacks, adding another piece to the group's wide-ranging toolset. "Andariel infects machines by executing a Log4j exploit, which, in turn, downloads further malware from the command-and-control (C2) server," Kaspersky said in a new report. Also called Silent Chollima

Android Spy App LetMeSpy Suffers Major Data Breach, Exposing Users' Personal Data

Android-based phone monitoring app LetMeSpy has disclosed a security breach that allowed an unauthorized third-party to steal sensitive data associated with thousands of Android users. "As a result of the attack, the criminals gained access to email addresses, telephone numbers and the content of messages collected on accounts," LetMeSpy said in an announcement on its website, noting the

Critical Security Flaw in Social Login Plugin for WordPress Exposes Users' Accounts

A critical security flaw has been disclosed in miniOrange's Social Login and Register plugin for WordPress that could enable a malicious actor to log in as any user-provided information about email address is already known. Tracked as CVE-2023-2982 (CVSS score: 9.8), the authentication bypass flaw impacts all versions of the plugin, including and prior to 7.6.4. It was addressed on June 14, 2023

Newly Uncovered ThirdEye Windows-Based Malware Steals Sensitive Data

A previously undocumented Windows-based information stealer called ThirdEye has been discovered in the wild with capabilities to harvest sensitive data from infected hosts. Fortinet FortiGuard Labs, which made the discovery, said it found the malware in an executable that masqueraded as a PDF file with a Russian name "CMK Правила оформления больничных листов.pdf.exe," which translates to "CMK

Alert: New Electromagnetic Attacks on Drones Could Let Attackers Take Control

Drones that don't have any known security weaknesses could be the target of electromagnetic fault injection (EMFI) attacks, potentially enabling a threat actor to achieve arbitrary code execution and compromise their functionality and safety. The research comes from IOActive, which found that it is "feasible to compromise the targeted device by injecting a specific EM glitch at the right time

CryptosLabs Scam Ring Targets French-Speaking Investors, Rakes in €480 Million

Cybersecurity researchers have exposed the workings of a scam ring called CryptosLabs that's estimated to have made €480 million in illegal profits by targeting users in French-speaking individuals in France, Belgium, and Luxembourg since April 2018. The syndicate's massive fake investment schemes primarily involve impersonating 40 well-known banks, fin-techs, asset management firms, and crypto

5 Things CISOs Need to Know About Securing OT Environments

For too long the cybersecurity world focused exclusively on information technology (IT), leaving operational technology (OT) to fend for itself. Traditionally, few industrial enterprises had dedicated cybersecurity leaders. Any security decisions that arose fell to the plant and factory managers, who are highly skilled technical experts in other areas but often lack cybersecurity training or

8Base Ransomware Spikes in Activity, Threatens U.S. and Brazilian Businesses

A ransomware threat called 8Base that has been operating under the radar for over a year has been attributed to a "massive spike in activity" in May and June 2023. "The group utilizes encryption paired with 'name-and-shame' techniques to compel their victims to pay their ransoms," VMware Carbon Black researchers Deborah Snyder and Fae Carlisle said in a report shared with The Hacker News. "8Base

Critical SQL Injection Flaws Expose Gentoo Soko to Remote Code Execution

Multiple SQL injection vulnerabilities have been disclosed in Gentoo Soko that could lead to remote code execution (RCE) on vulnerable systems. "These SQL injections happened despite the use of an Object-Relational Mapping (ORM) library and prepared statements," SonarSource researcher Thomas Chauchefoin said, adding they could result in RCE on Soko because of a "misconfiguration of the database.

New Mockingjay Process Injection Technique Could Let Malware Evade Detection

A new process injection technique dubbed Mockingjay could be exploited by threat actors to bypass security solutions to execute malicious code on compromised systems. "The injection is executed without space allocation, setting permissions or even starting a thread," Security Joes researchers Thiago Peixoto, Felipe Duarte, and Ido Naor said in a report shared with The Hacker News. "The

New Ongoing Campaign Targets npm Ecosystem with Unique Execution Chain

Cybersecurity researchers have discovered a new ongoing campaign aimed at the npm ecosystem that leverages a unique execution chain to deliver an unknown payload to targeted systems. "The packages in question seem to be published in pairs, each pair working in unison to fetch additional resources which are subsequently decoded and/or executed," software supply chain security firm Phylum said in

Beyond Asset Discovery: How Attack Surface Management Prioritizes Vulnerability Remediation

As the business environment becomes increasingly connected, organizations’ attack surfaces continue to expand, making it challenging to map and secure both known and unknown assets. In particular, unknown assets present security challenges related to shadow IT, misconfigurations, ineffective scan coverage, among others. Given attack surface sprawl and evolving threats, many organizations are

EncroChat Bust Leads to 6,558 Criminals' Arrests and €900 Million Seizure

Europol on Tuesday announced that the takedown of EncroChat in July 2020 led to 6,558 arrests worldwide and the seizure of €900 million in illicit criminal proceeds. The law enforcement agency said that a subsequent joint investigation initiated by French and Dutch authorities intercepted and analyzed over 115 million conversations that took place over the encrypted messaging platform between no

Anatsa Banking Trojan Targeting Users in US, UK, Germany, Austria, and Switzerland

A new Android malware campaign has been observed pushing the Anatsa banking trojan to target banking customers in the U.S., U.K., Germany, Austria, and Switzerland since the start of March 2023. "The actors behind Anatsa aim to steal credentials used to authorize customers in mobile banking applications and perform Device-Takeover Fraud (DTO) to initiate fraudulent transactions," ThreatFabric 

New Fortinet's FortiNAC Vulnerability Exposes Networks to Code Execution Attacks

Fortinet has rolled out updates to address a critical security vulnerability impacting its FortiNAC network access control solution that could lead to the execution of arbitrary code. Tracked as CVE-2023-33299, the flaw is rated 9.6 out of 10 for severity on the CVSS scoring system. It has been described as a case of Java untrusted object deserialization. "A deserialization of untrusted data

Researchers Find Way to Recover Cryptographic Keys by Analyzing LED Flickers

In what's an ingenious side-channel attack, a group of academics has found that it's possible to recover secret keys from a device by analyzing video footage of its power LED. "Cryptographic computations performed by the CPU change the power consumption of the device which affects the brightness of the device's power LED," researchers from the Ben-Gurion University of the Negev and Cornell

Japanese Cryptocurrency Exchange Falls Victim to JokerSpy macOS Backdoor Attack

An unknown cryptocurrency exchange located in Japan was the target of a new attack earlier this month to deploy an Apple macOS backdoor called JokerSpy. Elastic Security Labs, which is monitoring the intrusion set under the name REF9134, said the attack led to the installation of Swiftbelt, a Swift-based enumeration tool inspired by an open-source utility called SeatBelt. JokerSky was first

How Generative AI Can Dupe SaaS Authentication Protocols — And Effective Ways To Prevent Other Key AI Risks in SaaS

Security and IT teams are routinely forced to adopt software before fully understanding the security risks. And AI tools are no exception. Employees and business leaders alike are flocking to generative AI software and similar programs, often unaware of the major SaaS security vulnerabilities they're introducing into the enterprise. A February 2023 generative AI survey of 1,000 executives 

Microsoft Warns of Widescale Credential Stealing Attacks by Russian Hackers

Microsoft has disclosed that it's detected a spike in credential-stealing attacks conducted by the Russian state-affiliated hacker group known as Midnight Blizzard. The intrusions, which make use of residential proxy services to obfuscate the source IP address of the attacks, target governments, IT service providers, NGOs, defense, and critical manufacturing sectors, the tech giant's threat

Chinese Hackers Using Never-Before-Seen Tactics for Critical Infrastructure Attacks

The newly discovered Chinese nation-state actor known as Volt Typhoon has been observed to be active in the wild since at least mid-2020, with the hacking crew linked to never-before-seen tradecraft to retain remote access to targets of interest. The findings come from CrowdStrike, which is tracking the adversary under the name Vanguard Panda. "The adversary consistently employed ManageEngine

U.S. Cybersecurity Agency Adds 6 Flaws to Known Exploited Vulnerabilities Catalog

The U.S. Cybersecurity and Infrastructure Security Agency has added a batch of six flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. This comprises three vulnerabilities that Apple patched this week (CVE-2023-32434, CVE-2023-32435, and CVE-2023-32439), two flaws in VMware (CVE-2023-20867 and CVE-2023-20887), and one shortcoming impacting Zyxel

Twitter Hacker Sentenced to 5 Years in Prison for $120,000 Crypto Scam

A U.K. citizen who took part in the massive July 2020 hack of Twitter has been sentenced to five years in prison in the U.S. Joseph James O'Connor (aka PlugwalkJoe), 24, was awarded the sentence on Friday in the Southern District of New York, a little over a month after he pleaded guilty to the criminal schemes. He was arrested in Spain in July 2021. The infamous Twitter breach allowed the

Cybercrime Group 'Muddled Libra' Targets BPO Sector with Advanced Social Engineering

A threat actor known as Muddled Libra is targeting the business process outsourcing (BPO) industry with persistent attacks that leverage advanced social engineering ploys to gain initial access. "The attack style defining Muddled Libra appeared on the cybersecurity radar in late 2022 with the release of the 0ktapus phishing kit, which offered a prebuilt hosting framework and bundled templates,"

The Power of Browser Fingerprinting: Personalized UX, Fraud Detection, and Secure Logins

The case for browser fingerprinting: personalizing user experience, improving fraud detection, and optimizing login security Have you ever heard of browser fingerprinting? You should! It's an online user identification technique that collects information about a visitor's web browser and its configuration preferences to associate individual browsing sessions with a single website visitor.  With

Powerful JavaScript Dropper PindOS Distributes Bumblebee and IcedID Malware

A new strain of JavaScript dropper has been observed delivering next-stage payloads like Bumblebee and IcedID. Cybersecurity firm Deep Instinct is tracking the malware as PindOS, which contains the name in its "User-Agent" string. Both Bumblebee and IcedID serve as loaders, acting as a vector for other malware on compromised hosts, including ransomware. A recent report from Proofpoint 

NSA Releases Guide to Combat Powerful BlackLotus Bootkit Targeting Windows Systems

The U.S. National Security Agency (NSA) on Thursday released guidance to help organizations detect and prevent infections of a Unified Extensible Firmware Interface (UEFI) bootkit called BlackLotus. To that end, the agency is recommending that "infrastructure owners take action by hardening user executable policies and monitoring the integrity of the boot partition." BlackLotus is an advanced 

New Cryptocurrency Mining Campaign Targets Linux Systems and IoT Devices

Internet-facing Linux systems and Internet of Things (IoT) devices are being targeted as part of a new campaign designed to illicitly mine cryptocurrency. "The threat actors behind the attack use a backdoor that deploys a wide array of tools and components such as rootkits and an IRC bot to steal device resources for mining operations," Microsoft threat intelligence researcher Rotem Sde-Or said.

MULTI#STORM Campaign Targets India and U.S. with Remote Access Trojans

A new phishing campaign codenamed MULTI#STORM has set its sights on India and the U.S. by leveraging JavaScript files to deliver remote access trojans on compromised systems. "The attack chain ends with the victim machine infected with multiple unique RAT (remote access trojan) malware instances, such as Warzone RAT and Quasar RAT," Securonix researchers Den Iuzvyk, Tim Peck, and Oleg Kolesnikov

Generative-AI apps & ChatGPT: Potential risks and mitigation strategies

Losing sleep over Generative-AI apps? You're not alone or wrong. According to the Astrix Security Research Group, mid size organizations already have, on average, 54 Generative-AI integrations to core systems like Slack, GitHub and Google Workspace and this number is only expected to grow. Continue reading to understand the potential risks and how to minimize them.  Book a Generative-AI