2007 with no prior warning or notice of the incompatibility. Symantec recommends removing ZoneAlarm, then reinstalling it with its Internet Worm Protection feature disabled, which controls what applications can access the Internet and which protocols they can use to do so. PIFTS.exe On March 9, 2009, some users of Norton AntiVirus 2006 and 2007 experienced a firewall warning stating a Norton-associated file, "PIFTS.exe", was trying to connect to the Internet. Although this file was revealed to be a harmless diagnostic patch, the program gained attention in the media when Symantec removed posts from their forum concerning PIFTS. With no information available about the purpose of the program there was speculation that the program was malware or a backdoor. The SANS Internet Storm Center claimed to have spoken to a Symantec employee who has confirmed that "the program is theirs, part of the update process and not intended to do harm." Graham Cluley, a consultant from antivirus vendor Sophos found PIFTS connected to a Symantec server, forwarding product and computer information. On March 10, Symantec made an official response to the PIFTS program, claiming posts in the support forum were deleted due to forum spam rules; however the deletion of PIFTS-related posts began before the spam attacks. Symantec stated PIFTS itself was a diagnostic patch. Cole stated the purpose of the update was to help determine how many customers would need to be migrated to Windows 7-compatible versions of Norton AntiVirus. PIFTS apparently was released without a digital signature to verify its identity, causing firewalls to prompt for permission when it attempted to connect to the Internet. Consumer complaints Symantec has been criticized by some consumers for perceived ethical violations, including allegations that support technicians would tell customers that their systems were infected and needed a technician to resolve it remotely for an extra fee, then refuse to refund when the customers alleged their systems had not actually been infected. Macintosh edition Norton AntiVirus 11 for Mac introduced support for Mac OS X v10.5 Leopard platform, with the capability to detect both Macintosh and Windows malware. Other features include a vulnerability scanner, which blocks attackers from leveraging software exploits. Norton AntiVirus 11 also includes the ability to scan within compressed or archived files, such as Time Capsule volumes. Operating requirements call for Mac OS X Tiger. A PowerPC or an Intel Core processor, 128 MB of RAM, and 100 MB of