What is cyber attack?
A cyber attack is an assault launched by cybercriminals using one or more computers against a single or multiple computers or networks.
A cyber attack can maliciously disable computers, steal data, or use a breached computer as a launch point for other attacks..
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.
Who is behind Australia cyber attack?
Last year Reuters reported that Australia had intelligence that determined China was responsible for a cyber-attack on parliament and the three largest political parties before the May 2019 federal election, citing five sources with direct knowledge.
How many hackers does China have?
Foreign Policy magazine provided an estimated range for China’s “hacker army” personnel, anywhere from 50,000 to 100,000 individuals.
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 is the biggest cyber attack?
Adobe – in 2013, hackers obtained access to Adobe’s networks and stole user information and downloaded the source code for some of Adobe programs. It attacked 150 million customers. RockYou – in 2009, the company experienced a data breach resulting in the exposure of over 32 million user accounts.