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Five tips to protect your accounts

1. Sign up for 'two-factor authentication' on services (such as Gmail and Twitter) that offer it.

2. Do not use the same password for different accounts.

3. Change your password at least once every six months.

4. If deleting photos from phone, ensure post-deletion synchronisation with any linked online accounts, such as iCloud.

5. Make sure to wipe phones and laptops of all personal data before disposal.

Irish Independent