What is Maze ransomware?
Maze is a strain of ransomware* that has been impacting organizations since 2019. Although one main group created Maze, multiple attackers have used Maze for extortion purposes. In addition to…
Stealthy Linux rootkit found in the wild after going undetected for 2 years
Krasue infects telecom firms in Thailand using techniques for staying under the radar. Stealthy and multifunctional Linux malware that has been infecting telecommunications companies went largely unnoticed for two years…
What is a DNS flood? | DNS flood DDoS attack
A DNS flood is a DDoS attack that aims to flood and overwhelm a target DNS server. What is a DNS Flood? Domain Name System (DNS) servers are the “phonebooks”…
What is a bot? | Bot definition
A bot is a software program that operates on the Internet and performs repetitive tasks. While some bot traffic is from good bots, bad bots can negatively impact a website…
What is the Mirai Botnet?
The Mirai malware exploits security holes in IoT devices and has the potential to harness the collective power of millions of IoT devices into botnets and launch attacks. What is…
What are indicators of compromise (IoC)?
Indicators of compromise (IoC) are evidence left behind by an attacker or malicious software that can be used to identify a security incident. Indicators of compromise (IoCs) are information about…
Heuristics Definition
Heuristics came to public attention when Daniel Kahneman published his best-selling book “Thinking, Fast and Slow”. In it, Kahneman summarized the findings from his decades-long collaboration with his research partner…
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Cryptocurrency
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Cryptography Definition
Cryptography studies secure communications techniques that allow only the sender and intended recipient of a message to view its contents. The term is derived from the Greek word “kryptos”, which…
Ransomware attack delays patient care at hospitals across the U.S.
CHI Memorial Hospital in Tennessee, some St. Luke’s hospitals in Texas, and Virginia Mason Franciscan Health in Seattle have announced they were affected. One of the largest hospital chains in…
Chrome extensions with 1.4M installs covertly track visits and inject code
If you’ve installed any of these extensions, manually remove them stat. Google has removed browser extensions with more than 1.4 million downloads from the Chrome Web Store after third-party researchers…
