Hackers are categorized into the following classes:

* Black Hat Hackers (Crackers): These are persons who are computer specialists and use their hacking skills to carry out malicious attacks on information systems.
* Gray Hat Hackers: These are persons who sometimes do not break laws and help to defend a network, but sometimes act as Black Hat Hackers.
* White Hat Hackers (Ethical Hackers): These are persons who have excellent computer skills and use their knowledge to secure information systems.
* Security Providing Organizations:
Some organizations and communities also provide security to information systems.

Explore More

How to Detect a Hacker Attack?

How to Detect a Hacker Attack Most computer vulnerabilities can be exploited in a variety of ways. Hacker attacks may use a single specific exploit, several exploits at the same

Read More

What are the countermeasures against sniffer attacks?

It is quite difficult to overcome sniffer attacks. However, the following steps can be taken as countermeasures against such attacks: * Use encrypted protocols for all communication. * Segment the

Read More

Selection of tools to automate an attack SQL Injection

sqlmap (http://sqlmap.sourceforge.net/) Full support: MySQL, Oracle, PostgreSQL and Microsoft SQL Server. Partially supported: Microsoft Access, DB2, Informix, Sybase and Interbase. SQL Power Injector (http://www.sqlpowerinjector.com/) Implemented support for: Microsoft SQL Server,

Read More