Some common signs of a hacked computer include extreme sluggishness, unusual warning messages or strange popup windows with advertisements. If you’re experiencing any of these issues, or you’ve been alerted that someone may be using your security credentials on your financial or online accounts, this may be a sign that your computer is infected with malware or has been hacked. The first thing you need to do is to check your computer for malware and, if it’s been infected, remove the malware. There are a number of commercial anti-virus and malware-removal products on the market, including Trusteer Rapport browser-based security software from IBM. It will fix most malware if your computer is infected, and it warns you if you attempt to navigate to a risky site. We provide it at no charge to our clients (Mac users: Please note that Mozilla Firefox is currently the only browser supported by Trusteer Rapport). If you’re uncomfortable using these products, you should seek the assistance of a computer professional. Consider using Trusteer Rapport browser-based security software from IBM. It will fix most malware if your computer is infected, and it warns you if you attempt to navigate to a risky site. We provide it at no charge to our clients. (Mac users: Please note that Mozilla Firefox is currently the only browser supported by Trusteer Rapport.) Once you've removed any malware, make sure you regularly back up your data and install any security patches for your computer's operating system. You'll want to scan your computer regularly for malware (many software products provide real-time protection in addition to full hard-drive scanning). You should always be aware of the best practices for avoiding phishing scams that can result in your computer being hacked and you should enroll in a credit monitoring service so that you’re alerted to any unusual activity that may indicate identity theft. Enable multi-factor authentication (for example: a password plus a one-time authorization code) or biometrics like fingerprint login or retina/facial recognition when available on your mobile device, including through Bank of America Online Banking or our Mobile Banking app Finally – and this is something you ought to be doing regardless of any malware issues – create complex passwords and PINs not easily associated with you, memorize them and use multi-factor authentication where available. Use a strong, unique password for each of your accounts. Visit the What you can do tab on our Online & Mobile security page for tips on how to create strong passwords.