Malware, Malicious software designed to cause harm to someones data and hardware without them knowing it's installed, Virus, Attached to a file/download that can be spread and is activated when the user clicks on it, Worms, Self replicate and spread very quickly. They exploit weaknesses in network security., Trojan horse, Disguised as legitimate software and are installed without the user knowing., Spyware, Secretly monitors the users actions such as websites and usernames and passwords, Keylogger, Monitors the commonly used keys on the keyboards when entering passwords., Passive attacks, Someone monitors data packets travelling across networks and intercepts those data packets, Active attack, Someone attacks the network with malware, Insider attack, Someone inside the organisation exploits the network access to steal information., Brute force attack, Trying out a combination of different usernames and passwords to get into the network, Distributed Denial of Service attack (DDoS), When the network/website is flooded with useless traffic with the aim to prevent users accessing it., Ransomware, Software designed to encrypt a users files/data where payment is to be made for the decryption/password key., Social engineering, Using people/employees as the weak point of the system by persuading/making them vulnerable to reveal sensitive information, Phishing, The use of emails where users are persuaded to click on it and enter their personal details but become victims of a scam., SQL, Structured Query Language - a programming language used to create/edit/delete tables and data in a database., SQL injection, Pieces of SQL code entered into a websites input box which could reveal sensitive information if not tested regularly.

1.4 Network Security Attacks Part 1

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