How CVSS 4.0 changes (or doesn’t) the way we see vulnerability severity
While distilling risk down to a simple numerical score is helpful for many in the security space, it is also an imperfect system that can often leave out important context.
Astaroth, Mekotio & Ousaban abusing Google Cloud Run in LATAM-focused malware campaigns
Since September 2023, we have observed a significant increase in the volume of malicious emails leveraging the Google Cloud Run service to infect potential victims with banking trojans.
Why the toothbrush DDoS story fooled us all
There was about a 24-hour period where many news outlets reported on a reported DDoS attack that involved a botnet made up of thousands of internet-connected toothbrushes.
TinyTurla Next Generation - Turla APT spies on Polish NGOs
This new backdoor we’re calling “TinyTurla-NG” (TTNG) is similar to Turla’s previously disclosed implant, TinyTurla, in coding style and functionality implementation.
How are attackers using QR codes in phishing emails and lure documents?
QR code attacks are particularly dangerous because they move the attack vector off a protected computer and onto the target’s personal mobile device, which usually has fewer security protections in place and ultimately has the sensitive information that attackers are after.
First Microsoft Patch Tuesday zero-day of 2024 disclosed as part of group of 75 vulnerabilities
Although considered of moderate risk, one of the vulnerabilities is being actively exploited in the wild — CVE-2024-21351, a security feature bypass vulnerability in Windows SmartScreen.
Spyware isn’t going anywhere, and neither are its tactics
For their part, the U.S. did roll out new restrictions on the visas of any foreign individuals who misuse commercial spyware.
New Zardoor backdoor used in long-term cyber espionage operation targeting an Islamic organization
Talos discovered a new, stealthy espionage campaign that has likely persisted since at least March 2021. The observed activity affects an Islamic non-profit organization using backdoors for a previously unreported malware family we have named “Zardoor.”
How are user credentials stolen and used by threat actors?
You’ve probably heard the phrase, “Attackers don’t hack anyone these days. They log on.” In this blog, we describe the various tools and techniques bad actors are using to steal credentials so they can 'log on' with valid account details, and outline our recommendations for defense.