Quick Answer: What Can Happen With A Cyber Attack?

What are the 4 types of cyber attacks?

Common types of cyber attacksMalware.

Malware is a term used to describe malicious software, including spyware, ransomware, viruses, and worms.

Phishing.

Man-in-the-middle attack.

Denial-of-service attack.

SQL injection.

Zero-day exploit.

DNS Tunneling..

How dangerous is cyber terrorism?

Cyberterrorism is a controversial term. … Experienced cyberterrorists, who are very skilled in terms of hacking can cause massive damage to government systems, hospital records, and national security programs, which might leave a country, community or organization in turmoil and in fear of further attacks.

What is the biggest cyber attack?

Heartbleed (2012-2014) Heartbleed wasn’t a virus it was a bug that got mistakingly written into OpenSSL. This allowed hackers to create a gateway into databases. It’s argued that it is the biggest attack in history with some reports suggesting it affected nearly 17% of all websites.

Why is cyber attack dangerous?

A cyberattack can impact a business in many ways. Loss or Damage to Electronic Data. An attack can damage electronic data stored on your computers. For example, a virus renders your sales records useless.

What is the most dangerous cyber attack?

Top 5 most notorious cyberattacksWannaCry: A real epidemic. The WannaCry attack put ransomware, and computer malware in general, on everyone’s map, even those who don’t know a byte from a bite. … NotPetya/ExPetr: The costliest cyberattack to date. … Stuxnet: A smoking cybergun. … DarkHotel: Spies in suite rooms. … Mirai: The fall of the Internet.