UK telecommunications firm TalkTalk disclosed a data breach after a threat actor announced the hack on a cybercrime forum. UK telecommunications company TalkTalk confirmed a data breach after a threat actor claimed responsibility for the cyber attack on a cybercrime forum and offered for sale alleged customer data. A threat actor named “b0nd” claimed the […]
New threat actor GamaCopy mimics Russia-linked Gamaredon APT in attacks on Russian-speaking targets. The Knownsec 404 Advanced Threat Intelligence team recently analyzed attacks on Russian-speaking targets using military-themed bait, 7z SFX for payloads, and UltraVNC, mimicking Gamaredon’s TTPs. The researchers linked the activity to the APT Core Werewolf (aka Awaken Likho, PseudoGamaredon), it mimics Gamaredon […]
Threat actors behind ESXi ransomware attacks target virtualized environments using SSH tunneling to avoid detection. Researchers at cybersecurity firm Sygnia warn that threat actors behind ESXi ransomware attacks target virtualized environments using SSH tunneling to avoid detection. Ransomware groups are exploiting unmonitored ESXi appliances to persist and access corporate networks. They use “living-off-the-land” techniques, leveraging […]
Crooks stole at least $69 million from Singapore-based cryptocurrency platform Phemex in an alleged cyberattack. Singapore-based crypto platform Phemex paused operations after a cyberattack that resulted in the theft of $69M. Phemex CEO Federico Variola stated they are restoring withdrawals and temporarily manually reviewing all requests. On Thursday, researchers at the blockchain security firm PeckShield noticed […]
The Change Healthcare data breach is worse than initially estimated: approximately 190 million people have been affected. The Change Healthcare data breach is worse than initially estimated, the incident has impacted 190 million people. In October 2024, UnitedHealth Group announced that the data breach suffered by Change Healthcare in February 2024 impacted more than 100 million individuals. […]
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Gmail For Exfiltration: Malicious npm Packages Target Solana Private Keys and Drain Victims’ Wallets Threat Bulletin: Weaponized Software Targets Chinese-Speaking Organizations Mass Campaign of Murdoc Botnet Mirai: A New Variant of Corona Mirai Sophos MDR […]
A new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Subaru Starlink flaw allowed experts to remotely hack cars Participants in the Pwn2Own Automotive 2025 earned $886,250 U.S. […]
The Pwn2Own Automotive 2025 hacking contest has ended, and participants earned $886,250 after demonstrating 49 zero-day flaws. The Pwn2Own Automotive 2025 hacking contest has ended, and participants earned $886,250 after demonstrating 49 zero-day flaws. Sina Kheirkhah (@SinSinology) of Summoning Team (@SummoningTeam) obtained 30.5 Master of Pwn points and won the Master of Pwn earning $222.250. […]
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds SonicWall SMA1000 vulnerability to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a SonicWall SMA1000 Appliance Management Console (AMC) and Central Management Console (CMC) vulnerability, tracked as CVE-2025-23006 to its Known Exploited Vulnerabilities (KEV) catalog. This week, SonicWall warned customers of a critical […]
Threat actors are targeting Juniper routers with a custom backdoor in a campaign called code-named “J-magic,” attackers are exploiting a Magic Packet flaw. Lumen Technologies researchers reported that the J-magic campaign targets Juniper routers with a custom backdoor using a passive agent based on the cd00r variant (an open-source backdoor by fx). It activates upon detecting […]