Tag: Cybercriminals

Spam Network Hijacking Is on the Rise

Spamhaus and SpamCop serve as blocklist generators for mail servers all over the internet. They both deal with the unwanted spam that affects users, much of which is fairly innocuous. But since cybercriminals do generate spam as part of their...

Dissecting a Hacktivist’s DDoS Tool: Saphyra Revealed

Distributed denial-of-service (DDoS) attacks have been all over the news in recent months, with hacktivist groups taking major targets completely offline. According to IBM Managed Security Services data, the vast majority of DDoS attacks come in one...

CryLocker Tries to Hide Its Loot

The CryLocker malware family's novel approach to file management makes it difficult for victims to recover their data, even if they pay a ransom.