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When SIP status is unknown, SilentKnight and silnite can be foxed

Signing out of iCloud and signing back in fixed a problem with syncing, but it also turned SIP off in an ‘unknown’ way, something SilentKnight didn’t understand. Updates included for SilentKnight and silnite.

October 18, 2022 Macs, Technology, Updates

Things that go bump in SilentKnight: serious security failures

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You may be surprised to learn that SIP or XProtect are disabled, that the SSV isn’t working, or that your security systems are way out of date.

January 26, 2022 Macs, Technology

Four serious security errors which are easily made on a Mac: how to fix them

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Over the last year, I have come across many Macs which have been left with serious vulnerabilities. Here are four common ones, and how to put them right.

July 25, 2018 Macs, Technology

Sierra’s System Integrity Protection (SIP): beyond root

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Why can’t you restore Chess.app from a backup, or trash Text Edit? How should you check that SIP’s protection is enabled on your Mac?

April 28, 2017 Macs, Technology

SIP and rootless: protecting more than just system files

SIP protects your Mac from rogue KEXTs too, and prevents tools from attaching to protected processes.

May 3, 2016 Macs, Technology

App crashed? it could be SIP

When an app ran fine, but crashes in El Capitan, it may be SIP’s fault. Here is how to check, and more about SIP.

November 12, 2015 Macs, Technology
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