by Ophtek, LLC | Sep 2, 2025 | DTV, malware, Phishing, RAR archive, RomCom, Russian Hackers, WinRAR
A new WinRAR vulnerability is being exploited in phishing campaigns, allowing hackers to silently install malware on vulnerable PCs. WinRAR is a file compression tool used by millions all over the world to open and create RAR files. However, this has...
by Ophtek, LLC | Aug 19, 2025 | Akira, cyber attacks, multi factor authentication, Ophtek, Ransomware, SonicWall, VPN, zero-day vulnerabilities
A new wave of ransomware attacks are targeting SonicWall SSL VPN device vulnerabilities – even those which are fully patched – leaving businesses at risk. Understanding Akira’s Latest Surge in Activity Since mid-July 2025, it’s become...
by Ophtek, LLC | Aug 12, 2025 | anti-malware tools, Chemia, EncryptHub, GitHub, HijackLoader, infostealer, IT Training, malware, Ophtek, Steam
A new malware threat has been found hidden inside a Steam Early Access game, putting gamers at risk of being secretly hacked. A survival game called Chemia has been discovered to be housing some particularly nasty malware, and it’s been freely available...
by Ophtek, LLC | Aug 5, 2025 | IT Department, malware, Matanbuchus 3.0, Microsoft Teams, Ophtek
Hackers are using Microsoft Teams voice calls to pose as IT support and trick users into installing malware which takes over their system. Since the pandemic, Microsoft Teams has become the number one communication tool for many workplaces....
by Ophtek, LLC | Jul 29, 2025 | Lumma Stealer, malicious downloads, malicious links, malicious sites, Ophtek, Oyster, Vidar Stealer
Cybercriminals have hijacked search results to trick over 8,500 small‑business users into downloading malware disguised as genuine software. Cybersecurity researchers have uncovered a major scam targeting thousands of small and medium‑sized businesses....