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5 ways to make your web browser more secure
An unpatched web browser is an easy target for malware, and the web is crawling with it. Our SophosLabs experts see an average of 20,000-30,000 new malicious URLs each day. And 80% of them are...
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Is the Blackhole exploit kit finished?
When news broke in October that the criminals behind the notorious Blackhole exploit kit had been arrested in Russia, our threat experts were understandably excited. But more importantly, SophosLabs...
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Information regarding the Cryptolocker ransomware Trojan making the rounds
Learn how Sophos is protecting you against the popular and nasty 'Cryptolocker' ransomware that is holding hundreds of computers hostage around the globe.
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See how to tame threats on the wild web
The web is a pretty wild place, and it has its fair share of outlaws. A lot of people assume that the most dangerous places on the web are the seedy parts like adult websites. Unfortunately, that’s no...
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Malware 101: A how-to guide for IT security beginners
The terms thrown around by security experts and vendors can sound like word salad. If you’re like many people who are responsible for IT security but don’t happen to know exactly what a botnet is, what...
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How Cryptolocker encrypts your files and extracts a ransom (Video demo)
Recently we told you about how Sophos protects you from the nasty Cryptolocker ransomware. Now we’d like to give you a little demonstration of how it spreads, how it encrypts files, and how it extracts...
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How malware works: Anatomy of an attack in five stages (Infographic)
For cybercriminals looking to make money off unsuspecting and unprotected users, the web is a goldmine. There are more than 2.7 billion users on the web each day. And with roughly 700 million websites...
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Sophos expert talks about Cryptolocker and bitcoin ransom on CNBC (Video)
A widespread outbreak of a sneaky, file-encrypting piece of ransomware called Cryptolocker has many people talking. One very important question raised by Cryptolocker’s success to date: Should you ever...
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Cyber Monday brings warnings of increased attacks
Retailers are expecting a crush of online traffic this Cyber Monday, as holiday shoppers flood e-commerce sites on the Monday after Thanksgiving. But watch out for phony offers and online scams: a wave...
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SophosLabs researchers dissect PlugX Trojan targeting users in Japan
Our threat experts at SophosLabs have analyzed a new Trojan in the PlugX family seeking to exploit a vulnerability in Ichitaro, a word processing software popular in Japan, that allows a hacker to take...
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Explaining botnets, exploit kits, Linux and Android malware (Podcast)
This year’s Security Threat Report explores how cybercriminals are becoming smarter, shadier and stealthier in their approach to infecting you with their malware. In a new Sophos Security podcast, our...
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Sophos expert predicts rise of ransomware in 2014
Ransomware, including the infamous file-encrypting Cryptolocker, posed a major threat in 2013. But this cyber-crimewave could get much worse in 2014. That’s because cybercriminals are plotting to...
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Infographic: Anatomy of a hacked mobile device
Photos, contact lists, banking apps, social media and email accounts all reside on our mobile devices. What if a hacker could access everything on your Android device—without you even knowing it?...
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Decoding Cryptolocker: How it works and how to protect your files (Presentation)
By now, many people have heard of the devious, file-encrypting ransomware known as Cryptolocker, thanks to media coverage that has sometimes hyped it as the “worst virus ever.” But if you want to...
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How to secure your Android from malicious and annoying apps
If you’re one of the 800 million people using an Android device, you’ve likely had at least one encounter with a “potentially unwanted app” (PUA). You know the type: annoying apps that run ads and...
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Target, Neiman Marcus card data thefts, RAM scraper malware, and you
Data theft from retailers is making the headlines a lot this month, after luxury retailer Neiman Marcus disclosed that it, along with Target, had suffered a major data breach during the holiday...
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Four easy ways to protect your Mac from malware
It’s true that malware is less common on Macs than on Windows or Android. But that doesn’t mean Macs are inherently more secure, or that Mac users should take their security for granted. Case in point:...
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SophosLabs: Android malware intercepts SMS messages to steal banking info
Mobile malware attacking Android devices is growing at an incredible rate, and our SophosLabs researchers have identified more than 350,000 Android malware variants so far. Some of the most devious of...
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Spam’s Dirty Dozen countries: from Belarus to the U.S., a global army of...
The epidemic of spam seems to fly under the radar, perhaps because our spam filters have become so good at catching it. But if you look into your email account’s spam folder, you’ll get an idea of just...
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Sophos in the news: Cyberoam, SafeGuard, Snapchat and Flappy Bird
This was a really big week for Sophos, with so much positive media coverage of our acquisition of leading UTM company Cyberoam Technologies, and the launch of the latest and greatest version of our...
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