Different types of hacking attack
What is zero-day attack? There are a few common, but slightly different definitions of zero-day attacks. Some define zero-day attacks as attacks on vulnerabilities that have not been patched or made public, while others define them as attacks that take advantage of a security vulnerability on the same day that the vulnerability becomes publicly known (zero-day). Software vulnerabilities may be discovered by hackers, by security companies or researchers, by the software vendors themselves, or by users. If discovered by hackers, an exploit will be kept secret for as long as possible and will circulate only through the ranks of hackers, until software or security companies become aware of it or of the attacks targeting it. These types of attacks are defined by some as 'less than zero-day' attacks. What is DNS hijacking? DNS hijacking is a type of malicious attack in which an individual redirects queries to a domain name server (DNS), by overriding a computer's TCP/IP setti