#StopRansomware: Interlock

Since September 2024, Interlock ransomware actors have impacted a wide range of businesses and critical infrastructure sectors in North America and Europe. These actors are opportunistic and financially motivated in nature and employ tactics to infiltrate and disrupt the victim’s Read More …

Ransomware gang attacking NAS devices taken down in major police operation

A 44-year-old Romanian national has been arrested during a law enforcement operation to dismantle a ransomware campaign called “Diskstation”. Diskstation usually targets Synology Network-Attached Storage (NAS) devices, often used in an enterprise environment for centralized file storage and sharing, data Read More …

Hackers are trying to steal passwords and sensitive data from users of Signal clone

Hackers are targeting a previously reported bug in the Signal clone app TeleMessage in an effort to steal users’ private data, according to security researchers and a U.S. government agency. TeleMessage, which earlier this year was revealed to be used Read More …

Ongoing SonicWall Secure Mobile Access (SMA) Exploitation Campaign using the OVERSTEP Backdoor

Google Threat Intelligence Group (GTIG) has identified an ongoing campaign by a suspected financially-motivated threat actor we track as UNC6148, targeting fully patched end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances. GTIG assesses with high confidence that UNC6148 is Read More …

Phish and Chips: China-Aligned Espionage Actors Ramp Up Taiwan Semiconductor Industry Targeting

Analyst note: Proofpoint uses the UNK_ designator to define clusters of activity that are still developing and have not been observed for long enough to receive a numerical TA designation. China-aligned threat actors have routinely targeted the semiconductor industry for Read More …

Global operation targets NoName057(16) pro-Russian cybercrime network

Between 14 and 17 July, a joint international operation, known as Eastwood and coordinated by Europol and Eurojust, targeted the cybercrime network NoName057(16). Law enforcement and judicial authorities from Czechia, France, Finland, Germany, Italy, Lithuania, Poland, Spain, Sweden, Switzerland, the Read More …

Amatera Stealer: Rebranded ACR Stealer With Improved Evasion, Sophistication

Proofpoint has been closely monitoring a stealer malware formerly known as ACR Stealer. In 2025, Proofpoint analysts identified a new, unnamed malware exhibiting significant code overlap, shared features, and capabilities with ACR Stealer. Further investigation revealed that ACR Stealer was Read More …

US Army soldier pleads guilty to hacking telcos and extortion

Former U.S. Army soldier Cameron John Wagenius pleaded guilty to hacking telecommunication companies and attempting to extort them by threatening to release stolen files, the Department of Justice announced on Tuesday. According to the DOJ, Wagenius, who went online with Read More …

Behind the Clouds: Attackers Targeting Governments in Southeast Asia Implement Novel Covert C2 Communication

Since late 2024, Unit 42 researchers have been tracking a cluster of suspicious activity as CL-STA-1020, targeting governmental entities in Southeast Asia. The threat actors behind this cluster of activity have been collecting sensitive information from government agencies, including information Read More …