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Security Policies and Procedures <br />To manage the patching of Microsoft Windows operating systems (OS), Windows <br />Software Update Service (WSUS) is used. The WSUS server automatically checks for <br />patches once a day not during business hours. Then downloaded patches are <br />manually released from the WSUS server to be downloaded and applied on the <br />workstations. The ISO will evaluate all patches before they are applied; <br />workstations will not automatically download OS patches from the WSUS server <br />and updates will not be automatically installed. Installation of OS patches is done <br />within a planned downtime. <br />Apple OS Patches <br />All Macintosh Operating System (OS) patching will be done through the App Store, <br />and is the responsibility of the individual user to install. These should be applied <br />within one (1) week of release from Apple. <br />Linux OS Patches <br />These patches should be applied and tested in an app staging environment before <br />they are applied systemwide. The User is required to document where they <br />received the patch, who downloaded it, what version of patching they are using, and <br />when the patch was applied to the system. This documentation should be submitted <br />to the ISO upon completion of the patching. <br />iPhone iOS Patching <br />All iPhone (OS) patching will be done through the App Store, and is the <br />responsibility of the individual user to install. The device should be fully backed up <br />prior to installing these patches either in the cloud or locally. All backups are <br />required to be encrypted and password protected. These patches should be applied <br />within one (1) week of release from Apple. <br />Android Phone Patching <br />All Android patching will be done through the Google Play Store, and is the <br />responsibility of the individual user to install. The device should be fully backed up <br />prior to installing these patches either in the cloud or locally. All backups are <br />required to be encrypted and password protected. These patches should be applied <br />within one (1) week of release from Google. <br />Windows Phone Patching <br />All Windows Phone patching will be done through the Windows Phone Store, and is <br />the responsibility of the individual user to install. The device should be fully backed <br />up prior to installing these patches either in the cloud or locally. All backups are <br />required to be encrypted and password protected. These patches should be applied <br />within one (1) week of release from Windows. <br />Rev.2015.8.6 <br />50 <br />