Keeping years worth of emails with attachments that could have your personal information is a security risk. To trash all of these from your Gmail account, enter, “has:attachment” in the search bar and then click on “Select all conversations that match this search.” With just one more click you’ll send all of these old emails to Gmail Trash. Source Link
Take some steps before you dive into that new phone or tablet to avoid becoming the victim of a hacker. Backup and transfer old data and consider using a cloud service to safeguard it from loss or theft. Create strong, secure logins and use new passwords for those vital services. And register your device with the manufacturer to help with recovery if you are hacked. Source Link
Deleting online accounts you no longer use can safeguard you from the next website hack. Look in your password manager, search email for old “welcome” messages or check Facebook or Google to find connected accounts. You can search the name of the service and the words “delete account” or visit the support page to find out how to close an unused account. Source Link