Many ransomware-wielding attackers continue to hack into organizations via remote desktop protocol. But some Sodinokibi ransomware-as-a-service affiliates have shifted instead to targeting victims via botnets, saying hackers' use of RDP exploits has grown too common.
Cybercriminals are targeting users of Microsoft's Office365 subscription services with phishing campaigns that uses fake voicemail messages in an attempt to steal victims' credentials and other information, according to researchers at the security firm McAfee.
Russian attack group Turla has been named and shamed for hijacking Iranian nation-state attackers' infrastructure. The aim of GCHQ and NSA's attribution is, in part, to make Turla's future cyber espionage efforts more costly and time-consuming.
It's one thing to know your attackers. It's another to emulate some of their techniques so you can improve your own enterprise defenses. Craig Harber, CTO of Fidelis Cybersecurity, is an advocate of this "think like an attacker" defensive strategy.
The larger, underlying problem facing security teams is the general lack of visibility and context across all internal files and objects that enter and then move about, stay resident, and or leave their corporate environments.
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Attackers are using Docker containers to spread a cryptojacking worm in a campaign dubbed "Graboid," according to researchers at Palo Alto Network's Unit 42 threat research unit. Although the researchers describe the campaign as "relatively inept," they says it has the potential to become much more dangerous.
Nation-state attackers from outside the European Union pose the greatest threat to the continent's upcoming 5G networks, according to a new security assessment, which sidesteps the issue of Chinese firm Huawei's role in building these networks.
Online attack threats continue to intensify, with criminals preferring ransomware, DDoS attacks and business email compromises, warns Europol, the EU's law enforcement intelligence agency. After numerous successful disruptions by police, criminals have responded by launching increasingly complex attacks.
The U.S. National Security Agency is the latest intelligence agency to warn that unpatched flaws in three vendors' VPN servers are being actively exploited by nation-state attackers. Security experts say such alerts, which are rare, are a clear sign that serious damage is being caused.
Nation-state attackers have been targeting known flaws that customers have yet to patch in their Pulse Secure, Palo Alto and Fortinet VPN servers, Britain's National Cyber Security Center warns, adding that any organization that didn't immediately apply patches should review logs for signs of hacking.
Banking Trojans and cryptocurrency mining malware continue to be among the most-seen types of malicious code used for nontargeted attacks. But cybercrime attackers are increasingly running targeted campaigns, security researchers warn.
U.S. senators Mark Warner and Marco Rubio are urging social media firms to create policies and standards to combat the spread of "deepfake" videos, which they say pose a potential threat to American democracy.
Threat actors that may have connections to China have been using a variety of malware in a series of information-gathering espionage campaigns across Southeast Asia since at least 2013, according to researchers at Palo Alto Networks' Unit 42 division.