How to join IT Army of Ukraine?
The IT Army of Ukraine is a community of IT specialists from all over the world who united after the start of the full-scale invasion of Ukraine by Russia. We…
What is a content delivery network (CDN)? | How do CDNs work?
Explore how a CDN delivers fast, efficient, and secure content to websites and Internet services. What is a CDN? A content delivery network (CDN) is a geographically distributed group of…
Slowloris DDoS attack
The Slowloris attack attempts to overwhelm a targeted server by opening and maintaining many simultaneous HTTP connections to the target. What is a Slowloris DDoS attack? Slowloris is a denial-of-service…
What is a low and slow attack?
A low and slow attack is a DDoS attack that aims to stop a web service using extremely slow HTTP or TCP traffic. What is a low and slow attack?…
NTP amplification DDoS attack
A volumetric DDoS attack that takes advantage of a vulnerability in the NTP protocol, flooding a server with UDP traffic. What is a NTP amplification attack? An NTP amplification attack…
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 is load balancing? | How load balancers work
Load balancing distributes traffic among multiple servers to improve a service or application’s performance and reliability. Load balancing is distributing computational workloads between two or more computers. Load balancing is…
US Airports’ sites taken down in DDoS attacks by Pro-Russian Hackers
The pro-Russian hacktivist group ‘KillNet’ is claiming large-scale distributed denial-of-service (DDoS) attacks against the websites of several major airports in the U.S., making them inaccessible. The DDoS attacks have overwhelmed…
Ukraine’s IT army: Who are the cyber guerrillas hacking Russia?
In an unprecedented move, Ukraine’s digital transformation minister has called for cyber volunteers around the world to attack targets with links to Russia. Thousands have answered his call. Who are…
What are Denial of Service (DoS) attacks? DoS attacks explained
A Denial of Service (DoS) attack can be easily engineered anywhere. Learn more about what it is and how it works. A “denial of service” or DoS attack ties up…