Defending against Denial of Service (DoS) Attacks

What is a DoS Attack?

According to NIST, a denial of service (DoS) is:

“The prevention of authorized access to resources or the delaying of time-critical operations. (Time-critical may be milliseconds or it may be hours, depending upon the service provided).”

denial of service (DoS) – Glossary | CSRC (nist.gov)

a distributed denial of service (DDoS) is:

“A denial of service technique that uses numerous hosts to perform the attack.”

distributed denial of service (DDoS) – Glossary | CSRC (nist.gov)

A Brief History of Ransomware

Ransomware is not that new, I remember back during the msblaster incident I said to a friend, it is a good job whoever wrote this worm was not evil because they would have simply encrypted or deleted all the data post infection. Hell, I can barely remember when that was, I think it was late 2003. Ransomware has been around since the 1980s but not quite in its modern form (it started with the AIDS malware scam). Fast forward to the mid 2000’s and criminals were using encryption but that wasn’t a norm and things only really started to take a bad turn around 2012/2013 with Cryptolocker. The next major global events were WannaCry, NotPetya and Badrabbit. Read more →

Defending against Denial of Service (DoS) Attacks

What is a DoS Attack?

Extortion and Ransomware – A lethal Combination

A Brief History of Ransomware