Chinese APT groups compromised networks of telecom providers across Southeast Asia in an effort to harvest customers' sensitive communications, according to Cybereason. As in other Chinese cyberattacks, these APT campaigns exploited flaws in Microsoft Exchange servers.
Tom Kellermann calls it a new "Twilight Zone" - an era in which cybersecurity adversaries can unleash destructive attacks that manipulate time, data, audio and video. The cybersecurity strategist shares insights and analysis from his latest Global Incident Response Threat Report.
Ransomware actors have taken a page from the playbooks of tech support scammers of yore by guiding victims to download malware through persuasion over the phone. Microsoft says the technique is more dangerous than it first realized.
The new BlackMatter ransomware operation claimed to have incorporated "the best features of DarkSide, REvil and LockBit." Now, a security expert who obtained a BlackMatter decryptor reports that code similarities suggest "that we are dealing with a Darkside rebrand here."
Researchers at the security firm RiskIQ have uncovered about 35 active command-and-control servers connected with an ongoing malware campaign that has been linked to a Russian-speaking attack group known as APT29 or Cozy Bear.
The ransomware landscape changes constantly as groups disappear, change approaches or rebrand. The DoppelPaymer operation, for example, appears to have reinvented itself as Grief, while the administrator of Babuk has launched a ransomware-friendly cybercrime forum called RAMP.
Ransomware operations continue to thrive thanks to a vibrant cybercrime-as-a-service ecosystem designed to support all manner of online attacks. Given that attackers first need remote access to victims' systems, robust patch management and remote desktop protocol security remain obvious must-have defenses.
Malware developers increasingly are relying on "exotic" programming languages - such as Go, Rust, DLang and Nim - to create malicious code that can avoid detection by security tools and add a layer of obfuscation to an attack, according to a report released Monday by BlackBerry.
A recently discovered ransomware-as-a-service gang dubbed AvosLocker is recruiting affiliates and partners, including "pentesters" and "access brokers," on darknet forums, according to the security firm Malwarebytes.
APT 31, a China-linked hacking group, is targeting French organizations by exploiting home and office routers in an espionage campaign, warns CERT-FR, the French government's computer emergency readiness team that's part of the National Cybersecurity Agency of France, or ANSSI.
Cybereason, Rapid7 and Microsoft announced acquisitions this week designed to boost their security capabilities. Meanwhile, DevOps security firm Sysdig made a move to add infrastructure-as-code security to its portfolio.
Can NSO Group and other commercial spyware vendors survive the latest revelations into how their tools get used? The Israeli firm is again being accused of selling spyware to repressive regimes, facilitating the surveillance of journalists, political opponents, business executives and even world leaders.
Many security experts and analysts are applauding the U.S. for calling out China's cyber behavior, especially after the White House had focused so much attention on Russia's cyber activities. But some are calling for bolder action.