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The DKnife Malware You’ve Never Heard Of

The DKnife Malware You’ve Never Heard Of

by Ophtek, LLC | Mar 17, 2026 | DKnife, Hacking, network security, router firmware update, Security, Security Threats

  A sophisticated piece of malware has been hijacking internet traffic through compromised routers and gateway devices for years without people noticing. When we think about cyberattacks, our first thought is of an attack on a PC. While this is probably the most...
TP-Link Routers Exploited with Ease by Vulnerability

TP-Link Routers Exploited with Ease by Vulnerability

by Ophtek, LLC | Apr 8, 2025 | cyberattack, default passwords, Ophtek, remote management, router firmware update, security patches, security_updates, TP-Link Archer AX-21

A recent cyberattack has compromised thousands of TP-Link routers, turning them into a botnet which spreads malware and launches cyberattacks worldwide. Cybersecurity researchers have discovered a widespread attack where threat actors exploited a vulnerability...
Cuttlefish Malware is Putting Your Routers at Risk

Cuttlefish Malware is Putting Your Routers at Risk

by Ophtek, LLC | Jun 11, 2024 | bash script, brute force hacking, Cuttlefish, Data Breach, HiatusRAT, malware, Ophtek, router firmware update, zero-day vulnerabilities

A new strain of malware, dubbed Cuttlefish, which attempts to hijack your router has been discovered, and it poses a major threat to your data. The experts at Black Lotus Labs recently discovered a number of routers had been compromised by a previously unseen malware....
Netgear RAX30 Routers Rocked by 5 Security Flaws 

Netgear RAX30 Routers Rocked by 5 Security Flaws 

by Ophtek, LLC | Jul 11, 2023 | login credentials, Netgear RAX30, Ophtek, router, router firmware update, Security, WPA2 encryption

Routers are an essential part of any modern business which uses IT systems. But what happens when you’re working with a compromised router?  Routers are devices which help to connect different networks together. They receive data packets from one network, analyze...

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Ophtek Presenting at CDA: Cyber Security, AI Threats and HIPAA Compliance

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