What are the two basic types of attacks?
Denial-of-service (DoS) and distributed denial-of-service (DDoS) attacks.
Man-in-the-middle (MitM) attack.
Phishing and spear phishing attacks.
SQL injection attack.
Cross-site scripting (XSS) attack.
Eavesdropping attack.More items…•.
What is attack and types of attack in network security?
A network attack is an attempt to gain unauthorized access to an organization’s network, with the objective of stealing data or perform other malicious activity. … Passive: Attackers gain access to a network and can monitor or steal sensitive information, but without making any change to the data, leaving it intact.
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.
What is threat and attack?
A Threat is a possible security violation that might exploit the vulnerability of a system or asset. … Attack is an deliberate unauthorized action on a system or asset. Attack can be classified as active and passive attack.
What are common security threats?
Common Security ThreatsSpam. Spam is one of the most common security threats. … Pharming. Its objective is to convince you to visit a malicious and illegitimate website by redirecting the legitimate URL. … Phishing. … Ransomware. … Computer worm. … Spyware / Trojan Horse. … Distributed denial-of-service attack. … Network of zombie computers.More items…•