The Worst Internet Vulnerability of 2021
The Log4Shell vulnerability that emerged in December 2021 became one of the internet’s biggest security holes because of the widely used Log4j component. The article explains why it was so hard to close.
Author
Hüseyin Yücekaya
4 articles · Writing for PUGAT 2021
Articles
Are We Facing a New WannaCry?
The WannaCry ransomware, which locked more than 200,000 computers in over 150 countries in 2017, is still remembered. Are we facing a new WannaCry?
How Was the US “Colonial Pipeline” Brought Down by Seizing a Single Password?
In 2021, the largest fuel pipeline in the US stopped because of a single leaked password and an old VPN account. The Colonial Pipeline attack showed how fragile critical infrastructure is.
Cyber Attacks on SCADA Systems
From Stuxnet to the Ukrainian power grid: attacks on industrial control systems show that the cyber threat reaches beyond screens into the physical world.
