by Ophtek, LLC | Nov 19, 2024 | Black Hat, Hackers, Hacktivists, malware, Ophtek, Phishing, security, White Hat
The headlines generated by cybersecurity attacks always focus on the damage caused by hackers, but who exactly are the hackers and why do they hack? Financial losses associated with cybercrime hit a mighty $12.5 billion in 2023, so it’s clear to see that hackers have...
by Ophtek, LLC | Aug 20, 2024 | Acer, DDoS attacks, Dell, firmware vulnerability, Hackers, Lenovo, Ophtek, PK Fail, secure boot, unauthorized access
Hundreds of devices from vendors such as Acer, Dell, and Lenovo have been found to be left wide open to threat actors due to untrusted test keys. These devices have been left compromised due to PKfail, a firmware supply chain vulnerability. On devices where PKfail...
by Ophtek, LLC | Apr 23, 2024 | ALPHV, auto updates, Backup Strategies, BlackCat, Hackers, identify phishing, Ophtek, Ransomware
Healthcare data is some of the most sensitive data in existence, but a major hack has just affected up to 15 billion records. Change Healthcare, who provide revenue and payment services for healthcare providers and patients, has announced that its systems have been...
by Ophtek, LLC | Mar 19, 2024 | authentication, Hackers, HeadCrab, malware, Ophtek, Redis Servers, runtime monitoring, security scans
A new strain of malware, which contains several different attack methods and is considered a severe threat, has been discovered and named HeadCrab. The attack focuses its efforts on Redis servers, an open source, in-memory data structure store. In simpler terms, Redis...
by Ophtek, LLC | Feb 20, 2024 | gmail, Google, Google cookies, Hackers, Hacking, multi factor authentication, Ophtek, Suspicious links, suspicious software
A recently discovered vulnerability appears to allow threat actors to hack into your Google account, even if you change your password. Given that there are 1.8 billion people actively using Gmail, it should come as no surprise that Google accounts represent a...
by Ophtek, LLC | Sep 19, 2023 | EarlyRAT, educate, Hackers, install updates, malicious websites, malware, North Korea, Ophtek, Remote Access Trojan, Safety
State-sponsored hacking remains a serious problem for PC users around the world, and the latest headline grabber – with links to North Korea – is EarlyRAT. A remote access trojan (RAT) is nothing new in the world of cybercrime, with the earliest examples...
