Email security vendor Mimecast, which was targeted by the SolarWinds supply chain hack in January, reports in a Tuesday update that the hackers used the "Sunburst" backdoor as an initial attack vector to steal some source code. But Mimecast says it "found no evidence of any modifications" to that code.
Prolific Ryuk ransomware has a new trick up its sleeve. "A Ryuk sample with worm-like capabilities - allowing it to spread automatically within networks it infects" was recently discovered during an incident response effort, warns CERT-FR, the French government's computer emergency response team.
The Senate Intelligence Committee's hearing about the supply chain attack that affected SolarWinds and dozens of other companies and federal agencies answered some questions about what went wrong but also raised four key issues.
In an update on the investigation into the SolarWinds supply chain attack, Deputy National Security Adviser Anne Neuberger said the Biden administration is preparing "executive action" to address security shortcomings that have come to light.
Bloomberg has stood firm on its controversial story from two years ago asserting that China implanted a tiny chip on motherboards made by Supermicro. But rather than proving its contention in a follow-up, it may have inflicted more reputational damage upon itself.
More than 1,000 developers likely worked on rewriting code for the massive SolarWinds supply chain attack that affected many companies and U.S. government agencies, Microsoft President Brad Smith said in a Sunday interview, pointing out the attack is most likely continuing.
The Biden administration has appointed Anne Neuberger, the deputy national security adviser for cyber and emerging technology, to coordinate the investigation into the cyberattack that targeted SolarWinds and other organizations, following criticism from two senators that the probe has lacked coordination.
A multinational law enforcement operation has disrupted the Emotet botnet, gaining control of hundreds of servers and arresting multiple alleged administrators in Ukraine, Europol says. While the botnet could rebound, cybersecurity experts say the criminal operation has been dealt "a huge blow."
Email security vendor Mimecast confirmed Tuesday that the hackers responsible for the SolarWinds supply chain hack also breached the security firm's network to compromise a digital certificate that encrypts data that moves between some of the firm's products and Microsoft's servers.
Microsoft researchers are offering fresh details on the SolarWinds hackers' extensive efforts to remain hidden, which gave them more time to fully penetrate systems, move laterally through networks and exfiltrate data in follow-on attacks.
Symantec Threat Intelligence says it's uncovered another malware variant used in the SolarWinds supply chain hack - a loader nicknamed "Raindrop" that apparently was used to deliver Cobalt Strike, a legitimate penetration testing tool, to a handful of targets.
Reacting to reports claiming hackers may have used JetBrains' TeamCity tool as an initial infection vector during the attack against SolarWinds, JetBrains CEO Maxim Shafirov says the company has not been contacted by investigators. But he says customer misconfiguration of TeamCity could have enabled a hack.