- Restrict the employees to access social networking sites from organization's network
- Configure web servers to avoid information leakage
- Educate employees to use pseudonyms on blogs, groups, and forums
- Do not reveal critical information in press releases, annual reports, product catalogues, etc.
- Limit the amount of information that you are publishing on the website/Internet
- Use footprinting techniques to discover and remove any sensitive information publicly available
- Prevent search engines from caching a web page and use anonymous registration services
- Enforce security policies to regulate the information that employees can reveal to third parties
- Set apart internal and external DNS or use split DNS, and restrict zone transfer to authorized servers
- Disable directory listings in the web servers
- Educate employees about various social engineering tricks and risks
- Opt for privacy services on Whois Lookup database
- Avoid domain-level cross-linking for the critical assets
- Encrypt and password protect sensitive information