OpenSSL patches infinite-loop DoS bug in certificate verification

When it comes to writing loops in your code... never sit on the fence!

CISA warning: “Russian actors bypassed 2FA” – what happened and how to avoid it

Don't leave old accounts lying around where someone sketchy could reactivate them.

S3 Ep73: Ransomware with a difference, dirty Linux pipes, and much more [Podcast + Transcript]

Latest episode - listen now!

“Dirty Pipe” Linux kernel bug lets anyone write to any file

Even read-only files can be written to, leading to a dangerously general purpose elevation-of-privilege attack.

WordPress backup plugin maker Updraft says “You should update”…

A straight-talking bug report written in plain English by an actual expert - there's a teachable moment in this cybersecurity story!

Irony alert! PHP fixes security flaw in input validation code

What's wrong with this sequence? 1. Step into the road 2. Check if it's safe 3. Keep on walki...

Google announces zero-day in Chrome browser – update now!

Zero-day buses: none for a while, then three at once. Here's Google joining Apple and Adobe in "zero-day week"

Adobe fixes zero-day exploit in e-commerce code: update now!

There's a remote code execution hole in Adobe e-commerce products - and cybercrooks are already exploiting it.

Apple zero-day drama for Macs, iPhones and iPads – patch now!

Sudden update! Zero-day browser hole! Drive-by malware danger! Patch Apple laptops and phones now...

Microsoft blocks web installation of its own App Installer files

It's a big deal when a vendor decides to block one of its own "features" for security reasons. Here's why we think it's a good idea.

Linux kernel patches “performance can be harmful” bug in video driver

This bug is fiendishly hard to exploit - but if you patch, it won't be there to exploit at all.

S3 Ep67: Tax scams, carder busts and crypto capers [Podcast + Transcript]

Latest episode - listen now!

“PwnKit” security bug gets you root on most Linux distros – what to do

An elevation of privilege bug that could let a "mostly harmless" user give themselves a instant root shell

Cryptocoin broker Crypto.com says 2FA bypass led to $35m theft

The company has put out a brief security report that summarises the 'what', but not yet the 'how' or 'why'.

Wormable Windows HTTP hole – what you need to know

One bug in the January 2022 Patch Tuesday list is getting lots of attention: "HTTP Protocol Stack Remote Code Execution Vulnerability".

Home routers with NetUSB support could have critical kernel hole

Got a router that supports USB access across the network? You might need a kernel update...

Log4Shell-like security hole found in popular Java SQL database engine H2

"It's Log4Shell, Jim, but not as we know it." How to find and fix a JNDI-based vuln in the H2 Database Engine.

Log4Shell vulnerability Number Four: “Much ado about something”

It's a Log4j bug, and you ought to patch it. But we don't think it's a critical crisis like the last one.

SFW! The Top N Cyber­security Stories of 2021 (for small positive integer values of N)

Happy Holidays! Our Top N stories, all totally SFW!

Apache’s other product: Critical bugs in ‘httpd’ web server, patch now!

The Apache web server just got an update - this one is nothing to do with Log4j!

Log4Shell: The Movie… a short, safe visual tour for work and home

Be happy that your sysadmins are taking one (three, actually!) for the team right now... here's why!

Serious Security: OpenSSL fixes “error conflation” bugs – how mixing up mistakes can lead to trouble

Have you ever seen the message "An error occurred"? Even worse, the message "This error cannot occur"? Facts matter!

S3 Ep63: Log4Shell (what else?) and Apple kernel bugs [Podcast+Transcript]

Latest episode - listen now! (Yes, there are plenty of critical things to go along with Log4Shell.)

Log4Shell explained – how it works, why you need to know, and how to fix it

Find out how to deal with the Log4Shell vulnerability right across your estate. Yes, you need to patch, but that helps everyone else along with you!

“Log4Shell” Java vulnerability – how to safeguard your servers

Just when you thought it was safe to relax for the weekend... a critical bug showed up in Apache's Log4j product

Check your patches – public exploit now out for critical Exchange bug

It was a zero-day bug until Patch Tuesday, now there's an anyone-can-use-it exploit. Don't be the one who hasn't patched.

Microsoft documents “SHROOTLESS” hack patched in latest Apple updates

We'd have called this bug "SHROOTMORE", but naming it wasn't our call.

Listen up 2 – CYBERSECURITY FIRST! How to protect yourself from supply chain attacks

Everyone remembers this year's big-news supply chain attacks on Kaseya and SolarWinds. Sophos expert Chester Wisniewski explains how to control the risk.

Listen up 3 – CYBERSECURITY FIRST! Cyberinsurance, help or hindrance?

Dr Jason Nurse, Associate Professor in Cybersecurity at the University of Kent, takes on the controversial topic of cyberinsurance.

Listen up 4 – CYBERSECURITY FIRST! Purple teaming – learning to think like your adversaries

Michelle Farenci knows her stuff, because she's a cybersecurity practitioner inside a cybersecurity company! Learn why thinking like an attacker makes you a better defender.

Cybersecurity Awareness Month: Listen up – CYBER­SECURITY FIRST!

Fraser Howard of SophosLabs is truly a world expert in fighting malware. Read now, and learn from the best!

Cybersecurity Awareness Month: Building your career

Explore. Experience. Share. How to get into cybersecurity...