. Explain the differences between the following pair of computer exploits/attacks – Viruses, and Worms, –Trojan horses, and rootkits –Phishing and spam –A Distributed Denial- of-Service (DDoS) and Botnets – Honeypot and Back Doors

Viruses vs Worms: Viruses are malicious software that attach themselves to clean files and spread throughout a computer system, infecting files with malicious code. They usually require human action to propagate, such as opening an infected email attachment or downloading a malicious file. Worms, on the other hand, are standalone software and do not require a host program or human help to propagate. They replicate themselves to spread to other computers over a network, often exploiting system vulnerabilities.

Trojan Horses vs Rootkits: Trojan horses are malicious programs that disguise themselves as legitimate software. The user is tricked into loading and executing the Trojan on their system, where it can then perform malicious tasks, like stealing data or damaging the system. Rootkits are a type of malicious software designed to remotely access or control a computer without being detected by users or security systems. Once a rootkit has been installed, the controller of the rootkit has the ability to execute files and change system configurations on the host machine, making it a powerful tool for cyber-espionage and stealthy attacks.

Phishing vs Spam: Phishing is a type of cyber attack that involves tricking the email recipient into believing that the message is something they want or need, such as a request from their bank or a note from someone in their company — and then getting them to click a link or download an attachment. Spam is the electronic equivalent of junk mail. The term refers to unsolicited, bulk – and often unwanted – email. While spam does not necessarily carry malicious payloads, it can be used as a delivery mechanism for phishing attacks or other forms of cyber attack.

Distributed Denial-of-Service (DDoS) vs Botnets: A DDoS attack is an attempt to make an online service unavailable by overwhelming it with traffic from multiple sources. It targets a wide variety of important resources, from banks to news websites, and presents a major challenge to making sure people can publish and access important information. Botnets are networks of private computers infected with malicious software and controlled as a group without the owners' knowledge. The term bot is short for robot and is used because each individual machine in the botnet is running a robot-like script to carry out commands from the botnet controller, often used to perform DDoS attacks.

Honeypot vs Back Doors: A honeypot is a computer system that is set up to act as a decoy to lure cyber attackers, and to detect, deflect, or study attempts to gain unauthorized access to information systems. Back doors are methods of bypassing normal authentication or encryption in a computer system, a product, or an embedded device, etc. Attackers may use back doors to install malicious software and possibly start a botnet or carry out other malicious activities.