One of the worst things about ransomware attacks isn’t just the mayhem they cause as your data is encrypted by criminals and your business is put on hold — it’s not knowing when they’ll happen. But what if you had some advance notice about the next cyberattack before it hit? What if you could find out if your data was up for bid on the dark web?
Attackers have long used phishing emails with malicious Microsoft Office documents, often hosted in popular cloud apps like Box and Amazon S3 to increase the chances of a successful lure. The techniques being used with Office documents are continuing to evolve. In August – September of 2020, we analyzed samples that used advanced techniques like: In January 2021, we examined samples that use obfuscation and embedded XSL scripts to download payloads.
The Australian Cyber Security Center (ACSC) strongly advises against paying ransoms of any amount to cybercriminals. In some circumstances, these payments could even be illegal. The Australian government is tightening its cybersecurity regulations to align with the United State's new stance on nation-state threats. As a result, there have been significant changes to how Australian businesses are expected to respond to cyberattacks.
Phishing schemes are always evolving. This past year, email thread hijacking took phishing to new depths of subterfuge as criminals hid in plain sight within existing conversations. But no matter how well cybercriminals have refined their messaging or counterfeited legitimate logos and branding, the one constant has always been their delivery method: email. Until now. Online chat services have become a new target for cybercriminals to introduce documents loaded with malware into organizations.
AT&T Alien Labs recently analyzed the Linux version of the Darkside ransomware, one of the most active ransomware in the last quarter. Shortly after hitting Colonial Pipeline, Darkside developers announced they would be closing operations.