Hackers are abusing LinkedIn to target finance executives with direct-message phishing attacks that impersonate executive board invitations, aiming to steal their Microsoft credentials. The campaign was spotted by Push Security, which says it recently blocked one of these phishing attacks that began with a LinkedIn message containing a malicious link. BleepingComputer has learned that these
CISA and NSA share tips on securing Microsoft Exchange servers
The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance to help IT administrators harden Microsoft Exchange servers on their networks against attacks. Recommended best practices include hardening user authentication and access, minimizing application attack surfaces, and ensuring strong network encryption. The agencies also advise network defenders to decommission
Penn hacker claims to have stolen 1.2 million donor records in data breach
A hacker has taken responsibility for last week’s University of Pennsylvania “We got hacked” email incident, saying it was a far more extensive breach that exposed data on 1.2 million donors and internal documents. On Friday, University of Pennsylvania alumni and students began receiving multiple offensive emails from Penn.edu addresses claiming the university had been
Ex-L3Harris exec guilty of selling cyber exploits to Russian broker
Peter Williams, an Australian national and a former general manager at U.S. defense contractor L3Harris Trenchant, has pleaded guilty in U.S. District Court to stealing and selling confidential cybersecurity information to a Russian vulnerability exploit broker. The illegal activity took place between 2022 and 2025, when Williams stole at least eight protected exploit components from
Open VSX rotates tokens used in supply-chain malware attack
The Open VSX registry rotated access tokens after they were accidentally leaked by developers in public repositories and allowed threat actors to publish malicious extensions in a supply chain attack. The leak was discovered by Wiz researchers two weeks ago, when they reported an exposure of over 550 secrets across Microsoft VSCode and Open VSX
BPO giant Conduent confirms data breach impacts 10.5 million people
American business services giant Conduent has confirmed that a 2024 data breach has impacted over 10.5 million people, according to notifications filed with the US Attorney General’s offices. Conduent is an American business process outsourcing (BPO) company that provides digital platforms and services for governments and enterprises. The company was spun off from Xerox in 2017
Windows zero-day actively exploited to spy on European diplomats
A China-linked hacking group is exploiting a Windows zero-day in attacks targeting European diplomats in Hungary, Belgium, and other European nations. According to Arctic Wolf Labs, the attack chain begins with spearphishing emails that lead to the delivery of malicious LNK files themed around NATO defense procurement workshops, European Commission border facilitation meetings, and various
CISA: High-severity Linux flaw now exploited by ransomware gangs
CISA confirmed on Thursday that a high-severity privilege escalation flaw in the Linux kernel is now being exploited in ransomware attacks. While the vulnerability (tracked as CVE-2024-1086) was disclosed on January 31, 2024, as a use-after-free weakness in the netfilter: nf_tables kernel component and was fixed via a commit submitted in January 2024, it was
Alleged Meduza Stealer malware admins arrested after hacking Russian org
The Russian authorities have arrested three individuals in Moscow who are believed to be the creators and operators of the Meduza Stealer information-stealing malware. The action was announced on Telegram by Irina Volk, a police general and official from the Russian Ministry of Internal Affairs. “A group of hackers who created the infamous ‘Meduza’ virus have been
Why password controls still matter in cybersecurity
In January 2024, Russian hackers broke into Microsoft’s systems by slipping past what many believed was an ironclad security setup. The attack proved that even with multiple layers of protection, passwords often remain the weakest link in network security. It was a stark reminder for IT teams that no matter how sophisticated our security tools become; the