Ransomware

Our latest ransomware sightings—from Locky and SAMSAM to HiddenTear—show how old wines in new bottles can still be credible threats.

Disk-encrypting ransomware HDDCryptor, also known as Mamba, has reemerged. Here's what you need to know about this threat and what you can do to mitigate it.

No business or user is too big or too small for ransomware. As the threat continues to evolve, organizations and end users must be equally proactive. Here are some best practices for mitigating ransomware.

Last week's notable ransomware stories include two mobile "Lockers" and the resurgence of Cerber with a new behavior.

Ransomware operators continue to diversify their attack tactics with the discovery of SnakeLocker—a new variant that uses two names in an attempt to dodge security scanners.

A new ransomware with a unique behavior abuses a popular email application to send malicious email directly to its potential victims.

In this week’s recap, a popular open-source ransomware spawns more variants, and entries from other ransomware families also make an appearance.

As Petya's dust settles, we learn another real-life lesson: old threats die hard. And as we saw last week, ransomware has no shortage of variety—no matter how dated their tactics and techniques may be.

The Petya ransomware family has reemerged, becoming one of the most impactful yet. Is it similar to WannaCry? Does it have a kill switch? Here are some frequently asked questions about the threat.