Quick Answer: What Is The Biggest Cyber Attack?

What is a major cyber attack?

A cyberattack is any type of offensive maneuver employed by individuals or whole organizations that targets computer information systems, infrastructures, computer networks, and/or personal computer devices by various means of malicious acts usually originating from an anonymous source that either steals, alters, or ….

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.

What is the biggest hacker attack in history?

Top 10 most notorious cyber attacks in historyGoogle China hit by cyber attack (2009): … Teen hacks NASA and US Defense Department: … Phone lines blocked to win Porsche (1995) … Hacker targets Scientology (2008): … Solar Sunrise (1998): … The Melissa virus (1999) … Internet attacked (2002): … Hacker steals tens of million of credit card details (2009):More items…

Which countries are cyber attacks the most?

Page 1Russia. The country has a robust cybercrime black market, valued at approximately US$2 billion per year, and hosts as many as 30 highly capable cybercrime groups. … China. Approximately 30 percent of all cyber-attacks worldwide are launched from China. … Romania. … Eastern Europe. … Brazil. … United States. … South Korea. … Nigeria.More items…

What are the Top 5 cyber crimes?

Top 5 Popular Cybercrimes to Effortlessly Protect Your Computer and Data Against its ImpactPhishing scams. Phishing is a practice of a cybercriminal or hacker attempting to obtain sensitive or personal information from a computer user. … Identity Theft scams. … Online Harassment. … Cyberstalking. … Invasion of privacy.

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.