Cybersecurity Encyclopedia

What is a Virtual Private Network (VPN)? A virtual private network (VPN) is a software or hardware device that creates a private network, giving you online privacy and anonymity in a public network. A VPN masks your internet protocol (IP) address to make it difficult to trace your online activities. Besides, a VPN establishes a secure and encrypted connection to secure your information and systems from frequent and sophisticated cyber threats. Key Takeaways A VPN gives you privacy and anonymity by enabling a private network in the public internet The appliance masks your IP address, making you online activities difficult … Read more

What is a Virus? A computer virus is a malicious program that spreads from host to host. These harmful programs can replicate and spread through files and documents. Viruses have existed for decades. The first virus was created in 1971. Hackers design and distribute viruses to alter the way a computer works. The malware inserts or attaches itself to a legitimate program or document that supports macros to execute its code. A virus causes adverse impacts on computers, such as disrupting regular system operations, logging keystrokes, spamming your email contacts, stealing sensitive information, or destroying data. Key Takeaways A virus … Read more