TAC Security is a friendly hacker that helps corporate giants recognize its weaknesses before the fraudulent hackers can use them adversely.TAC focuses on providing specialized services called Vulnerability Assessment and Penetration Testing. The former helps to discover the security loopholes present in organization�s systems but does not exploit the vulnerabilities. The latter is employed to demonstrate how damaging security vulnerabilities could be in a real cyber-attack. We provide a comprehensive picture of the security deficiencies that exist within the IT infrastructure and applications, and the potential impact. . TAC informs the corporations about their glitches before any damageable cyber attack.