Intel and Cisco are among the thousands of SolarWinds Orion customers that were running a Trojanized version of the security software. FireEye, together with Microsoft and GoDaddy, have devised a "kill switch" to disrupt attackers' ability to access the malware on at least some infected systems.
A mighty effort is underway to figure out which organizations may have been deeply infiltrated by a suspected Russian hacking group following the SolarWinds hack. The hunt is difficult for many reasons, some experts say, and may never result in definitive answers about whether data was stolen.
Following the discovery that attackers Trojanized SolarWinds' Orion software, expect the list of organizations that were running the backdoored network-monitoring tool to keep increasing. But with this being a suspected cyberespionage operation, attackers likely focused on only the juiciest targets.
Dutch HR firm Randstad and the public transportation agency of Vancouver, Canada, are continuing to recover from ransomware attacks. Both incidents appear to have involved Egregor ransomware, with Randstad reporting that data was exfiltrated and is now being leaked by attackers to try and force payment.
European lawmakers are once again considering encryption policies and attempting to strike a balance between the privacy and security afforded by strong encryption and law enforcement's needs. But with encryption being a cornerstone of the internet, is there any new balance to be struck?
Three state-sponsored advanced persistent threat groups - one Russian, two North Korean - have been targeting companies across the globe involved with COVID-19 vaccine and treatment development, Microsoft says.
Check Point Research has uncovered a large and likely profitable business model that involves hackers attacking and gaining control of certain VoIP services, which enables them to make phone calls through a company's compromised system.
The operators behind the Ryuk strain of malware are increasingly relying on a malware-as-a-service tool - the Buer loader - to deliver the malware, rather than botnets such as Trickbot and Emotet, the security firm Sophos reports.
"Cybercrime is an evolution, not a revolution," says Europol's Philipp Amann, who oversees the EU law enforcement intelligence agency's annual study of the latest cyber-enabled crime trends. Ransomware, social engineering and the criminal abuse of cryptocurrency and encryption are some of the top threats.
The operators behind the LockBit ransomware strain use automation tools and techniques that help the malware quickly spread through a compromised network and also assist in picking specific targets, according to Sophos.
An indictment unsealed this week demonstrates the degree to which Western intelligence agencies have apparently been able to infiltrate the Russian intelligence apparatus to trace attacks back to specific agencies - and individual operators. Shouldn't Russian spies have better operational security?
U.S. officials have accused the Russian government of behaving "maliciously or irresponsibly" by taking steps such as crashing Ukraine power grids in the dead of winter and causing more than $10 billion in damages via NotPetya malware. But why make the accusations now? And how might Moscow respond?
The recent "takedown" of Trickbot by Microsoft and others had only a temporary effect; the botnet's activity levels have already rebounded, according to Crowdstrike and other security firms.
Despite the takedown of the Trickbot botnet by Microsoft and others Monday, the malware is still functioning, and its operators retain the tools needed to rebuild their malicious network, some cybsersecurity experts say. So the impact, while significant, could prove to be temporary.
Microsoft and the Cybersecurity and Infrastructure Security Agency have issued warnings that a critical vulnerability in Windows Server dubbed "Zerologon" is being actively exploited in the wild. They urge users to immediately apply an available partial patch.
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