ransomware

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Note: This blog post discusses active research by Talos into a new threat. This information should be considered preliminary and will be updated as research continues. For the most current info, please read our full blog on TalosIntelligence.com. Since the SamSam attacks that targeted US healthcare entities in March 2016, Talos has been concerned about […]

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This post was authored by Alex Chiu, Warren Mercer, and Jaeson Schultz.  Sean Baird and Matthew Molyett contributed to this post. Back in May, the Necurs spam botnet jettisoned Locky ransomware in favor of the new Jaff ransomware variant. However, earlier this month Kaspersky discovered a vulnerability within Jaff which allowed them to create a decryptor. […]

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Maybe your users mistakenly clicked on a suspicious ad. Or maybe they were tricked into opening an email link. But no matter how it happened, here you are: Ransomware has encrypted your files, and you need to pay a hefty fee to get them back. It’s not just you: The attacks continue to proliferate — now approaching a $1 billion annual market — as they infect the computers and networks of entire organizations...

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Growing up in Britain, a fair share of our history lessons covered the black death. It was a truly horrible plague that affected all without prejudice, ravaging the young and old throughout towns, cities, countries and the continent with seemingly no end. Surprisingly, it’s hard to remember everything from that class (hey, it was quite […]

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Thousands of companies around the globe were affected this week by a major ransomware attack called WannaCry. Ransomware is a type of cyberattack that encrypts data until the user pays a specified fee, and is one of the industry’s top evolving cyberthreats. As these and other threats continue to proliferate, the Cisco SAFE Threat Defense […]

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As long as there have been banks, there have been bank robbers. In the past, bank robbers may have held up bank tellers at gunpoint. Today, threats are less visible—but just as frightening. This weekend’s massive ransomware attack demonstrated just how pervasive, far-reaching, and devastating a cyberattack can be. What is ransomware? Even if you […]

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It is no longer a matter of “if” your organization will suffer a security breach; it’s a matter of “when.” Learn how to protect your school.

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Friday, May 12 looked like a typical day for most folks as they went into work looking to finish off their day and head into the weekend. But as the day progressed, many organizations across the globe quickly realized that their TGIF was going to be spent dealing with a ransomware attack known as WannaCry. […]

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Today’s news of the cyberattack affecting healthcare organizations—including the National Health Service (NHS)—in the UK, is sobering. Sources are reporting that the ransomware attack has “crippled the health system’s ability to treat patients.” Thousands of non-emergency appointments have been canceled, and ambulances have been diverted to other facilities, leading the NHS to declare the attack […]