4G Calling (VoLTE) flaw allowed to locate any O2 customer with a phone call

A flaw in O2 4G Calling (VoLTE) leaked user location data via network responses due to improper IMS standard implementation. A flaw in 4G Calling (VoLTE) service of the... Read more »

China-linked UnsolicitedBooker APT used new backdoor MarsSnake in recent attacks

China-linked UnsolicitedBooker used a new backdoor, MarsSnake, to target an international organization in Saudi Arabia. ESET researchers revealed that a China-linked APT, tracked as UnsolicitedBooker, targeted an international organization... Read more »

UK’s Legal Aid Agency discloses a data breach following April cyber attack

The UK’s Legal Aid Agency suffered a cyberattack in April and has now confirmed that sensitive data was stolen during the incident. The Legal Aid Agency (LAA) revealed that... Read more »

Sarcoma Ransomware Unveiled: Anatomy of a Double Extortion Gang

Cybersecurity Observatory of the Unipegaso’s malware lab published a detailed analysis of the Sarcoma ransomware. It is with great pleasure and honor that I present the first report produced... Read more »

Mozilla fixed zero-days recently demonstrated at Pwn2Own Berlin 2025

Mozilla addressed two critical Firefox vulnerabilities that could be potentially exploited to access sensitive data or achieve code execution. Mozilla released security updates to fix two critical vulnerabilities in... Read more »

Japan passed a law allowing preemptive offensive cyber actions

Japan passed a law allowing preemptive offensive cyber actions, shifting from its pacifist stance to bolster defenses like major Western powers. Japan has enacted the Active Cyberdefense Law, allowing... Read more »

James Comey is under investigation by Secret Service for a seashell photo showing “8647”

James Comey is under investigation for a seashell photo showing “8647,” seen by some as a coded threat against Trump. Former FBI chief James Comey is under investigation by... Read more »

Pwn2Own Berlin 2025: total prize money reached $1,078,750

Pwn2Own Berlin 2025 wrapped up with $383,750 awarded on the final day, pushing the total prize money to $1,078,750 over three days. On the final day of Pwn2Own Berlin... Read more »

Security Affairs newsletter Round 524 by Pierluigi Paganini – INTERNATIONAL EDITION

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... Read more »

Experts found rogue devices, including hidden cellular radios, in Chinese-made power inverters used worldwide

Chinese “kill switches” found in Chinese-made power inverters in US solar farm equipment that could let Beijing remotely disable power grids in a conflict. Investigators found “kill switches” in... Read more »
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