by Ophtek, LLC | Apr 7, 2026 | Backup, Linux, Linux Server, maintenance, security, Updates
Linux servers form the backbone of your business, until something goes wrong. Luckily, you can keep them safe and reliable without expert-level skills. We all know about Windows, but what’s Linux? Like Windows, Linux is an operating system. In business, Linux...
by Ophtek, LLC | May 6, 2025 | CoffeeLoader, malicious downloads, malware, Ophtek, PC Security, security practices, Suspicious links, Updates
A new malware named CoffeeLoader exploits computer GPUs to escape security measures, posing a major threat to PC users. Cybercriminals are constantly enhancing their tactics and looking for new strategies, and the latest threat is CoffeeLoader – a...
by Ophtek, LLC | Dec 24, 2024 | BYOVD, cryptojacking, data theft, DDoS attacks, driver whitelisting, drivers, educate staff, Hacking, Ophtek, Updates
One of the recent developments in hacking has been the Bring Your Own Vulnerable Driver (BYOVD) attack, but what is it and how do you defend against one? By now, the Ophtek blog should have informed you about ransomware, trojans, and cryptojacking, but we’ve rarely...
by Ophtek, LLC | Dec 10, 2024 | Cryptominer, firewall, GeoVision, Legacy devices, Legacy Software, Mirai botnet, Ophtek, patches, security measures, Updates
No software, as GeoVision has recently discovered, is 100% secure from malware, with many applications left exposed by vulnerabilities within their coding. GeoVision develops and manufactures advanced video surveillance hardware along with the appropriate software for...
by Ophtek, LLC | Jul 23, 2024 | Cloud Storage, CrowdStrike, cybersecurity, Ophtek, Updates, vulnerability, Windows update
One of the world’s biggest ever IT failures has caused chaos for major IT infrastructures all over the world. And it was all thanks to a CrowdStrike update. The damage was caused by a content update for Windows issued by CrowdStrike, a major player when it comes to...
by Ophtek, LLC | Nov 7, 2023 | malicious downloads, malware, NginRAT, Ophtek, Phishing Email, QwixxRAT, RAT, Remote Access Trojan, Updates, ZuoRAT Malware
A Remote Access Trojan (RAT) is one of the most common forms of malware you are likely to encounter, and it’s crucial you understand what they are. It’s important for all organizations to be aware of the danger posed by a RAT in terms of cybersecurity. After...