The terms `WannaCry,` `Petya,` and `Eternal Blue` are related to cyber attacks, which is option 3.

These terms refer to different types of malware that have been used in cyber attacks in recent years. WannaCry and Petya are both ransomware programs that infect a computer system and encrypt files, demanding a ransom payment in exchange for the decryption key. Eternal Blue, on the other hand, is an exploit that targets a vulnerability in Microsoft Windows operating systems. It was first used in the WannaCry attack in 2017.

These attacks caused significant damage globally, with WannaCry alone affecting over 300,000 computers in 150 countries. The attacks targeted businesses, government institutions, and individuals, highlighting the increasing threat of cyber attacks in the modern world.

It is worth noting that these attacks were not isolated incidents. Cyber attacks have become increasingly common and sophisticated in recent years, with hackers and other malicious actors using a range of techniques to target vulnerable systems. As technology continues to advance, the need for strong cybersecurity measures becomes even more important to protect against such attacks.

In conclusion, the terms WannaCry, Petya, and Eternal Blue are all related to cyber attacks, which is option 3. These attacks highlight the increasing threat of cybercrime and the need for robust cybersecurity measures to protect against them.