Poly Network fired off a tweet Wednesday saying hackers had returned $260 million worth of the digital assets taken in a heist a day earlier valued at $613 million. Polygon had urged the thieves to return the stolen fortune and provided online addresses for transfers. “Seven minutes prior to sending the first transaction returning some…

Recently I spoke with Ryan Chapman of the SANS Institute, author of the upcoming SANS course FOR528: Ransomware for Incident Responders, on how to better prepare for ransomware. That preparation comes in two forms: planning how you would respond to a successful ransomware attack and overcoming barriers to hardening your network against them. Planning for…

On Friday, security researcher RyotaK published information on three vulnerabilities in PyPI, one of which could potentially lead to the compromise of the entire PyPI ecosystem. Python Package Index (PyPI) is the official third-party software repository for the Python programming language, with some package managers using it as the default source for packages and dependencies….

LemonDuck has evolved from a Monero cryptominer into LemonCat, a Trojan that specializes in backdoor installation, credential and data theft, and malware delivery, according to the Microsoft 365 Defender Threat Intelligence Team, which explained their findings in a two-part story [1][2] on the Microsoft Security blog. LemonDuck Trojan.LemonDuck has always been an advanced cryptominer that…

In a joint advisory published Wednesday, cybersecurity response agencies from the U.S., the U.K., and Australia called special attention to flaws in network perimeter tech from Citrix, Fortinet, Pulse, F5 Networks and MobileIron. The agencies listed 30 distinct security vulnerabilities (categorized by CVEs) that have been “routinely exploited” over the last two years to plant…

More details on the cyberattack on Iran’s railroad system emerged over the weekend. On Friday, July 9, 2021 Iran International reported that a system-wide disruption of Iran’s railroads was probably due to a cyberattack, citing the Revolutionary Guard-backed FARS news agency. Now it appears that the attackers had penetrated the system at least a month…