Research reports

How CrowdStrike Analyzes macOS Malware to Optimize Automated Detection

Ransomware (43% of analyzed threat data), backdoors (35%) and trojans (17%) were the most popular macOS malware categories spotted by CrowdStrike researchers in 2021 OSX.EvilQuest (ransomware), OSX.FlashBack (backdoor) and OSX.Lador (trojan) were the most…

RansomwareMalware

Blurring of Commodity and Targeted Attack Malware

As malware and its authors continue to evolve, deciphering the purpose of specific malware-driven attacks has become more challenging. While some malware still has a feature-specific design such as DDoS tools or spam bots, it is becoming increasingly common…

Malware

Response When Minutes Matter: Rising Up Against Ransomware

This blog describes a recent incident that highlights the CrowdStrike Falcon® Complete™ team’s ability to act as an extension of a customer’s security team to quickly detect, triage and contain an active attacker before it was able to achieve its goal. In…

Ransomware

What is a Downgrade Attack?

Maintaining good cybersecurity means protecting against multiple kinds of attack. One of these attack types is called a “downgrade attack.” This form of cryptographic attack is also called a “version rollback attack” or a “bidding-down attack.” In a downgrade…