How 4.3M Users Got Hacked By Browser Extensions

by Ophtek, LLC | Jan 20, 2026 | browser extensions, check permissions, Hackers, malicious code, official sources, review, ShadyPanda, spyware

  Over the last seven years, a malware campaign has turned browser extensions people trusted into powerful spyware, with up to 4.3 million users affected. Most of us install extensions in good faith that they’re going to help us. Perhaps they’re a simple...

Vulnerable ASP.NET Keys Used to Unlock PC Security

by Ophtek, LLC | Mar 4, 2025 | ASP.NET keys, malicious code, malicious ViewState, Microsoft, monitor applications, Ophtek, System Updates

Attackers are exploiting exposed ASP.NET keys to inject malicious code into web applications, leading to unauthorized access and potential data breaches. Microsoft has announced that a major security issue has been identified where cybercriminals are taking advantage...

Threat Actors Start Hiding Malware within Website Images

by Ophtek, LLC | Feb 11, 2025 | archive.org, generative AI, malicious code, Obj3tivityStealer, Ophtek, Phishing, VIP Keylogger, website images

Cybercriminals are increasingly embedding malware within website images to evade detection and compromise IT systems. Recent investigations have revealed a growing trend among threat actors: hiding malicious code within image files hosted on trusted websites. This...

Financial Firms Targeted by JsOutProx Malware

by Ophtek, LLC | May 7, 2024 | JavaScript Malware, JsOutProx Malware, malicious code, Ophtek, Phishing Email, ScriptSafe for Chrome

A new phishing campaign, launched in March 2024, has been targeting financial firms all over the world with the JsOutProx banking trojan. The JsOutProx malware campaign was first detected by Visa, with their Payment Fraud Disruption team sending out security alerts to...

The Dangers of Malware on GitHub

by Ophtek, LLC | Mar 5, 2024 | GitHub, malicious code, malware, Open Source Malware, Ophtek

GitHub is a wildly popular website for developers to create, share, and store their code, but it’s also being increasingly used to spread malware. Launched in 2008, GitHub quickly became the number one destination for developers. Packed full of features – such...

5 Forms of Hacking Which You May Not Be Familiar With

by Ophtek, LLC | Jun 21, 2022 | Free WiFi, Hacking, malicious code, malicious extensions, malicious links, malicious websites, Ophtek

All organizations are at risk of being hacked, and that’s why we’re familiar with the most common forms of hacking. But what about the lesser-known hacks? With 300,000 new strains of malware being created every day, it comes as no surprise to discover that some of...