WannaCry makes a lot of people cry.

Well, the WannaCry virus/worm came, caused havoc and left. Or has it? If you don’t know what this is all about, you have either been living on another planet or a commune without a TV set. Last week, NHS ( National Hospital Service ) in the UK along with a few airports amongst 30,000+ others…


​Linux developers under (SYN) denial of service attack

If you can’t reach your favorite Linux developer by IM or e-mail today, it’s because they’re under a denial of service (DoS) attack. The top programmers are all at the Linux Plumbers conference, which is being hammered by an Internet attacker. Massive DDoS attacks like Dyn get the headlines, but as the top Linux programmers…


Homeland Security looking at DDos Attacks

DDoS Defenses Emerging from Homeland Security Government, academic, and private-sector officials are collaborating on new ways to prevent and mitigate distributed denial-of-service (DDoS) attacks, based on research years in the making but kicked into high gear by the massive takedown this month of domain name system provider Dyn. The largest attacks in summer 2015 were about 400…


Cow – Copy On Write. How to Fix Your Linux Kernel?

Copy On Write – Introduction to Hacking ( No – not really ) On October 19, 2016, a privilege escalation vulnerability in the Linux kernel was disclosed. The bug is nicknamed Dirty COW because the underlying issue was a race condition in the way kernel handles copy-on-write (COW). Dirty COW has existed for a long…