Protect your online ID

Protect your online ID

  • How to protect yourself from phishing scams, viruses, spam and hacker attacks
  • Sending sensitive information via email and protecting your passwords
  • Using a computer in a library or internet cafe safely
  • How to delete cookies, and safely dispose of your old computer

Which? Archive

This article, Protect your online ID, was last updated on 23 July 2008 and is now out of date and held in our online archive for reference. Explore our latest Technology articles.

What's in this guide

ID theft

Every time you go online you leave valuable data behind – find out how to prevent it being stolen


How to create a strong password and use a password manager in different systems

Login details

Switching off autocomplete, and when it's OK to save your login details

Encrypting emails

How to keep sensitive information safe if you have to send it by email

Phishing and viruses

Protect yourself from phishing and viruses plus how to tell if a page is secure

Your old computer

Ensure that your old computer doesn't give away your private details

Public access

Logging on at an internet café or library could mean exposing your personal details

Restricted access

Create separate accounts on your PC to minimise being hacked – XP and Vista instructions