Questions tagged [security]

If your question pertains to a specific protocol, e.g., ssh or ssl (https), please use that tag instead.

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Karabiner-Elements cannot open new Terminal window unless Terminal already in focus

I am on Catalina 10.15.7 and use Karabiner-Elements 13.3. When I use the rule shown below for opening Terminal nothing happens unless Terminal is in focus (you can see Terminal on the menu bar). Seems ...
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FIPS and Random number generation using /dev/urandom on macOS [closed]

I am using /dev/urandom as an RNG. Does /dev/urandom confirm FIPS standards for Random Number generation? Does it pass Continuous Random Number Generator Test too?
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What are the risks of adding `/usr/libexec` to `$PATH`?

I want easy access to PlistBuddy, which I wasn't even sure still shipped with macOS (Big Sur 11.3 here). I found it in /usr/libexec, a directory I don't know well, but which contains a large number of ...
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How to always allow any app to do anything / disable Security & Privacy authorization dialogues

Currently on macOS Catalina. I work in sound design and audio development. I use several Automator-scripts and other workflow applications to control various stuff, and for every new project or when I ...
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144 views

Can iOS apps read your clipboard, and can it be stopped?

An article says that iOS apps have been caught reading data from user's clipboards: researchers found the following iOS apps were reading users’ clipboard data every time the app was opened with no ...
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41 views

Does VSCode have Full Disk Access via Terminal?

I can use the terminal in VSCode and the terminal has Full Disk Access, so does VSCode have Full Disk Access? Can VSCode and extensions run terminal commands?
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65 views

Terminal app can access folders that it isn't allowed

In the security and privacy pane I didn't allow the terminal app to access anything. I didn't allow full disk access either. However, it can show the contents of Desktop by doing cd Desktop, ls. Why?
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Which files can VSCode read?

If I open a folder using VSCode, it can read the files in that folder. However, can it read the files outside that folder? I can use the terminal inside VSCode and if I run cd .. command, I can ...
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My keychain passwords gone after upgraded to High Sierra

My keychain passwords disappeared after I upgraded to High Sierra. I have 130+ entries made in secure notes of Keychain Access. How do I restore them? In detail: After upgrade to MacOS 10.13 from 10....
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Change certificate trust settings via command line

I trying to find a way to change trust settings for a single certificate installed in Keychain and that's need to be via command line. I found the security command line tool, but I don't know exactly ...
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91 views

Macbook won't let me boot from external drive because of there's no administrator in the startup security utility

I have a 2018 Macbook Pro that I recently started updating from Mojave to Big Sur. I received an error message when the installation was finishing up. "An error occurred preparing the software ...
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38 views

Use `security` to get my login username and password for use in shell scripts / cron

I'd like to create a cron job that periodically pings an external resource and retrieves some information on my behalf, using my username and password that I logged in to the computer with. I could ...
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How can I find out which kernel extension has been updated?

I received a notification on Big Sur that an extension was updated and this must be authorised in System Preferences. It is 'System software from developer "Apple Inc."'. I find this odd: I ...
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20 views

Generating a self-signed code signing certifcate in macOS using only the terminal

I have been wrestling with Unknown Error = -2,14,74,14,007 when generating a self-signed certificate to give gdb the appropriate permissions on macOS and while the solution is available, they require ...
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Can I generate an Apple ID recovery key with Mac OS Mojave?

I have two-factor authentication enabled for my Apple ID. I want to generate a recovery key in case I lose access to my 2FA devices/phone numbers. Apple has a support article https://support.apple....
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iCloud Drive sync breaks when new security update comes out?

I have noticed (it happened a second time now) that when a security update shows up in System Preferences the iCloud Drive doesn't upload anymore (probably download is affected too, but I didn't test)....
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1answer
46 views

Dismissing Big Sur permission dialogs via keyboard

I know that since Mojave, MacOS has started presenting more dialogs when apps would like to do specific things. However, in Mojave, I was able to control the dialog that appears using the keyboard (...
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20 views

Invalid certificate for a specific website

When trying to navigate to a specific website (amazon.com in my case) I always get the "NET::ERR_CERT_COMMON_NAME_INVALID" error in Chrome (and equivalent errors in Safari/other browsers). ...
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23 views

Turn off “Approve with Apple Watch” macOS security alerts

Using macOS 11 Big Sur, many items that used to require my user password now annoyingly buzz my wrist. I can still type my password, but now I have to first press "Use Password..." in the ...
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35 views

What advantages are there to removing a stolen device from your iCloud account?

Apple's stolen iPhone advice lists the final step - after having erased the device - as: Remove your lost or stolen device from your list of trusted devices. However, it is clear from the "If ...
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When and how can I use client certificate authentication on iOS?

I have installed a x509/pfx certificate under profiles in my iOS settings and configured my webserver (nginx) to require this certificate. With Safari on iOS, I can browse to my main page using the ...
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1answer
37 views

Are passwords in my keychain readable by enterprises MDM tools?

So, our company is starting to push MDM (VMWare Workstation One) around... I understand they want to be safe... But I'm worried about my safety. Question: Is my keychain still safe after MDM is pushed ...
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What security/encryption is used in an iCloud screen sharing session? [duplicate]

Does anybody have some pointers or information when it comes to the technical and security implementation of Apple's built-in screen sharing feature, the one where you start the Screen Sharing app and ...
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22 views

add new item to Automation in Security & Privacy

I am having a problem with exporting from Adobe XD to Zeplin. On Export, Zeplin starts but does not recognize that it needs to import xd document, so it does nothing. Apparently this could be caused ...
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40 views

Police-panic mode for Apple Watch?

On iPhone you can immediately lock all sensitive information by pressing the side button five times. On Mac you can hold down the power button. What is the equivalent for Apple Watch? Also, since your ...
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69 views

Is it possible to completely reset an iPhone so its software/firmware is guaranteed to be 100% factory fresh? [duplicate]

When purchasing a used iPhone with a completely unknown history (which includes the possibility of multiple previous owners), is it possible to reset it and be sure that all software and firmware on ...
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274 views

What are the potential consequences of partially-disabling SIP for yabai

yabai is a window management utility for macOS. Since macOS does not offer a suitable API to control the native window manager, yabai resorts to injecting a scripting addition into Dock.app for ...
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54 views

How can I allow Java access to Mac's microphone system?

I am writing a Java program that is trying to use my computer's audio lines from the microphone to record audio. There seems to be a recurring issue where Mac users are unable to record - my resulting ...
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1answer
167 views

Big Sur “sleep” does not lock screen (when slept via keyboard shortcut)

EDIT: corrected keyboard shortcut to say ⏻ rather than ⏏ I put my computer to sleep using cmd+opt+⏻ whenever I leave my desk. For years, this has reliably locked the screen of the computer. But ever ...
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13 views

After reboot prompted for a password and logged to a different user

something strange happened on my mac and it looks like a serious security/privacy bug. We have two accounts with different passwords (lets call it: primary/secondary) on my Macbook Air 2018 with macOS ...
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2answers
27 views

How can you verify that FileVault 2 is enabled on a macbook?

I bought a Macbook Pro the other day to test out to see if I like it enough to switch from Linux on my personal laptop. Aside from numerous aches and pains as I try to learn the Mac way of doing ...
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48 views

How can I troubleshoot this re-occuring prompt to give a mysterious app security access?

EDIT: Found some files, not sure if deleting them will fix the issue though. Does anybody know if I can just delete these?: For a couple months now, I've been getting this error, periodically, a few ...
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29 views

Apps suddenly can't be opened?

I had Terminal and TextEdit open, a couple of Finder windows, and possibly another app or two. This was a few hours after updating to macOS 11.1 (20C69) in case that is the cause. In Terminal, I did ...
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39 views

How to give enough access so a child can use the terminal, download packages, yet does not have full admin rights on mac?

I need some smart ideas for clever ways around mac security and online child safety issues. I'm not exactly sure how to word this question. Of course my 11 year old does not have full admin rights on ...
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1answer
37 views

Can an administrator access the iCloud Drive of another user on MacOS?

I use a Macbook provided by my employer. I'm not the administrator on the machine, I use another user account. If I connect to my iCloud account and enable iCloud Drive, can the administrator access ...
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1answer
115 views

Why I can browse my Photo library (camera roll) in iOS 14.3 with Wish mobile app with no permission?

I have an iPhone with iOS 14.3. According to Apple, I can control access by mobile apps to my Photo libraries. Apparently it works with WhatsApp, Skype Adobe and other apps. I have set the access of ...
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How do I get Startup Security Utility to run No Security consistently?

Yesterday I installed Bootcamp onto an external drive and it was running perfectly. I set the Security Utility to "No Security" during the installation process and then switched it back to &...
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2answers
33 views

Is it possible to automate changing some security settings in Catalina?

I realize the user would have to enter their password, but beyond that step could the process of adding a program to Accessibility, Full Disk Access and Screen Recording be automated in some way? ...
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2answers
47 views

Can people access my iphone data by opening it up

My iphone is faceid and pin protected. My apple id is two step authentication on. It's not working now, so I sent it to a repair man to fix. However, If he opens up the phone, and takes out the ...
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1answer
18 views

How do I disallow screen sharing for Messages?

Apple's Messages app is not listed among the apps in Security settings for Screen Recording. This would be the normal place for most apps to disallow screen sharing, but the absence of Messages from ...
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1answer
127 views

What is local.blackjack from Netstat?

When running netstat I noticed the suspicious name blackjack. I wonder if it's malware. PROMPT> netstat -v Active Internet connections Proto Recv-Q Send-Q Local Address Foreign Address ...
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20k views

The message “You do not have permission to open the application” is shown when trying to open a downloaded app

This seems to be a new issue with Big Sur. I have "App Store and identified developers" enabled in Security & Privacy, but I've run into a certain app outside the App Store that seems ...
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1answer
19 views

Can UEFI Secure Boot be achieved on Macs prior to T2 secure chip?

A little bit more detail, what i'm curious about is if a Mac's firmware can be set up to validate a EFI binary's attached signature against a cert that's stored in the EFI variables by user. If so, ...
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1answer
34 views

MacOS security update mechanism

Ubuntu has a command line mechanism for security updates: sudo apt update Does MacOS have a similar command line mechanism to provide updates without a release? Update: The scope is limited to the ...
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1answer
59 views

Implications of changed security for Apple ID?

Recently, Apple logged me out of my Apple ID and made me go through a new procedure where I used my recovery key, and was asked to provide my machine login info, and my iPhone unlock code to be able ...
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2answers
54 views

How can I make unlocking my Mac with my Apple Watch more secure?

I have turned on the feature to allow my Mac to be unlocked via my Apple Watch. However, there is no interaction required from me - if I am home and asleep with my watch on, my roommate can go to my ...
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2answers
382 views

Is it possible to use a Google Voice Number for Apple Two Factor Authentication

I keep getting prompts to 'upgrade' my account security to use 2 factor authentication. The reason I am hesitating using my real phone number for unlocking my devices is because I don't want to be in ...
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99 views

macOS Big Sur - Anyone can get a take of the unlocked screen on a locked locked MacBook?

On my MacBook running macOS Big Sur 11.0.1, I set one of the hot corners to 'Put Display to Sleep' (in Desktop & Sreen Saver settings) and set the Mac to 'required password immediately after sleep ...
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1answer
38 views

Access user folders via Terminal

When I am using Terminal to go to different folders such as Documents, Downloads, Photos etc I get presented with a dialog requesting me to grant Terminal access to these folders such as below: Is ...
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1answer
240 views

How to trust an invalid certificate in Big Sur / Safari 14

Since installing Safari 14, I can't find a way of trusting an invalid SSL certificate (either expired or set up for the wrong hostname). I used to be able to click on the address bar and then trust ...

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