I was recently informed that some IT consultants advise their nonprofit clients to use free-for-personal-use antivirus software at their organizations. While perhaps well-intentioned advice, theft is arguably not the best software policy for a nonprofit organization. Further, nonprofits have access to some incredibly discounted and legitimately free antivirus options. So rather than exploring ethical quandaries, let's instead take a more practical look at a handful of common antivirus options available for nonprofit, commercial, and home use.