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.
Serious vulnerabilities in Microsoft Exchange have been exploited by at least 10 APT groups that have been collectively been hitting thousands of companies over the last three months, including prior to when Microsoft was first alerted to the flaws and issued a patch, security researchers warn.
Russian hackers apparently weren't the only ones targeting SolarWinds customers. An attack last year by the Spiral hacking group, believed to be based in China, against one organization used malware that targeted a vulnerability in SolarWinds' Orion software, according to the Secureworks Counter Threat Unit.
Using a nearly 20-year-old file transfer product - what could go wrong? Among the many lessons to be learned from the Accellion File Transfer Appliance mess is this: Attackers will devote substantial resources to reverse-engineer hardware, software or a service if there's a financial upside.
State-sponsored groups in China appear to be targeting India’s power supply by dropping malware into systems, according to online digital threat analysis company Recorded Future. The Indian government says it has taken steps to mitigate the risks.
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.
Microsoft is making available the CodeQL queries it used to detect malicious implants in the massive supply chain attack that affected SolarWinds, tech firms and government agencies.
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.
The Reserve Bank of New Zealand issued an update on the data breach it sustained in December 2020, saying it has identified the records that were compromised and offering a timeline of the incident.
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.
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.
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