The IRS recently held a National Tax Security Awareness Week that focused on business security. IRS Commissioner Charles Rettig urged businesses to “stay alert” as “thieves may steal enough information to file a business tax return” or use a variety of other scams. More than 70% of cyberattacks are aimed at businesses with fewer than 100 employees, the IRS said. The tax agency recommends that businesses employ the best practices from the Federal Trade Commission. Here are a few: Set security software to update automatically; back up important files; use strong passwords on all devices; encrypt devices; and use multi-factor authentication.