Walter Mossberg devotes his April column to computer security and includes a “quick guide to Windows security measures” including software (some free and some not). After listing the software he adds:
Beyond installing, monitoring and updating all this software, you need to be careful online. Don’t open e-mail attachments you don’t expect and that come from strangers. They may contain viruses or spyware. Don’t download software unless you really need it and are 100% certain of the author’s trustworthiness. It could be an infection in disguise. Never click on a link in an e-mail purporting to be from a financial institution, even if it’s your own bank and it looks official. It could be a scam to steal your identity.

… was born on this date in 1743. 
