Google's Zero Day fully discribed in short

Zero day is a security vulnerability that are unknown to the respective software vendor. In our context, Undiscovered Gmail vulnerabilities are called Gmail Zero Day.
How Gmail Zero Day hacking works?Gmail zero day vulnerabilities are very rare since Google runs a bug bounty program where security researchers around the world participate and report zero day vulnerabilities. It is basically a security loop hole that is unaware to Google. It can be any hack affecting Gmail. There are two types of people who find zero day vulnerabilities. First case is Security Researchers and Bug hunters who make a responsible disclosure about the vulnerability to the software vendor, Gmail in our context. Another case falls under evil side, black hat hackers who find zero day vulnerabilities don’t disclose it to Gmail  and they will use it for their personal benefit of hacking.


How could you prevent yourself from Zero Day found by a hacker?You need not be afraid of a zero day vulnerability affecting Google. As i have said earlier, zero day vulnerabilities are very rare. In most cases zero day vulnerabilities are targeted only at influential people and celebrities. It is rare to target a common man using a zero day vulnerability.