Virus updates for June posted by Symantec and Virex mactech 23 years ago Virus definition updates for June have been posted by both Symantec and Virex. Get these files to keep your Mac virus protection up-to-date. Share this: Virus definitions updated for AugustAugust 1, 200108010800Virus updates for NAV and Virex 7.0 for Mac OS XSeptember 28, 200109271911October virus definitions postedOctober 1, 2002virusdefs