Every virus cannot be detected by a signature-based antivirus largely for the following reasons:

* If an attacker has changed the signature of a virus, any signature-based antivirus will not be able to find the virus.
* Any new virus will not be captured by the antivirus, as it will not be on the list in the antivirus database.
* If the virus is not in the database of a signature-based antivirus, it will be virtually impossible for the antivirus to detect that virus.
* If the mutation engine of a polymorphic virus is generating a new encrypted code, this changes the signature of the virus. Therefore, polymorphic viruses cannot be detected by a signature-based antivirus.

Explore More

Critical SQL Injection in Planet Myannar Website and Forum

PlanetCreator has reported another critical SQL Injection (vulnerability) on  Planet Myannar Website and Forum http://www.planet.com.mm/ Powered by Inforithm-Maze. SQL injection is a code injection technique that exploits a security vulnerability

Read More

Detecting and Preventing Social Engineering and other Hacking Processes

Social engineering attacks are growing fast, and today majority of attackers use social engineering techniques to infiltrate into a victim’s network. It is very difficult for a technician to identify

Read More

Non-persistent XSS vulnerabilities Sam’s Whois

Sam’s Whois is a free php class with supporting scripts which make adding a domain name whois lookup to your website incredibly simple. Main Features * All major tlds supported

Read More