Manage IT security within your Organization:-
- Update all PCs on your LAN with latest service packs/security patches (This can be downloaded from respective OS website e.g Microsoft.com for windows)
- Never
subscribe- free newsletter, marketing mails or any unknown link using
their official id
- Do
not open any mails/attachments sent by Unknown Senders & also not
visit any unknown websites as they may affect the user machines without
his knowledge
- Do
not access mails from any open/unknown networks especially WIFI networks
or cyber cafes.
Source : Rediff.com