Security Review of plant/ production Centers, Offices, Raw materials yards, Gates, Ware Houses/ Stores & Scrap yards etc. or other important establishments by a team of competent professional experience people from GDSS with the backdrop of questionnaires prepared, can provide first hand overall lapses/ gaps on the security system. Accordingly, we suggest Vigilance strategies to plug the gaps. Vigilance strategies is also aim to sensitize security personal at the vulnerable points to get proactive intelligence inputs or uncover stint operations to unearth any unusual / nexus between external & internal relations, which becomes detrimental for the organization.