You receive a data breach notification from a company or service that you use stating that your personal info was leaked.Friends or family members tell you they’ve received strange messages from your email or social media accounts.You start to receive spam emails - especially ones that specifically threaten or try to extort you.You notice strange emails in your “Sent” folder.You see logins from mobile devices and locations you don’t recognize in your account activity or sign-in logs.You receive emails or text messages about login attempts, password resets, or two-factor authentication (2FA) codes that you didn’t request.You get signed out of your online accounts (social media, email, online banking, etc.), or you try to log in and discover your passwords don’t work anymore.Here are some of the main warning signs that you’ve been hacked: