Questions tagged [security]

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19 views

Wiped all disks for Ubuntu installation, but “macOS Recovery over the Internet” still knows my Wi-Fi password

I wiped all disks for Ubuntu installation. The macOS Recovery partition was gone. Decided after half of an year, to install again macOS with macOS Recovery over the Internet If you can't start up ...
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1answer
30 views

T2 chip encryption benefits: “Your encrypted SSDs automatically mount and decrypt when connected to you mac.”

I just read the mac page about SSD encryption by the T2 chip here Always back up your content to a secure external drive or other secure backup location so that you can restore it, if necessary. You ...
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Accessing my school admin's username & password to un-install the securly certificate on MacBook Air

Well, I've been having a lot of issues with Securly recently, as it's been blocking me from every site that I wanted to go on, like pixilart.com. Anyway, it just says that "it's not allowed by ...
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T2 Chip/Filevault 2 Isn't Asking for Password Before Unlocking System Drive

I have a 2018 Mac Mini with an encrypted system volume that should only be unlockable by a single user. It used to be the case that when I started up my computer I get a brief apple logo then see a ...
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1answer
34 views

Where does an iPhone store the number of failed password entries?

Background: Recently I changed my password on my iPhone. I opted for an alphanumeric one for security. However thanks to the likes of FaceId I did not have to re-enter it for a while to the point ...
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2answers
62 views

What is AEServer and why is it requesting macOS Accessibility permissions?

What is AEServer in the macOS Accessibility permissions panel? System Preferences > Security & Privacy > Privacy > Accessibility > AEServer Why is AEServer requesting to control my ...
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1answer
38 views

Password with £ when using security add-generic-password / find-generic-password

How do I add/retrieve a password that contains £ using security add-generic-password and security find-generic-password? security add-generic-password -a username -s "test" -w abc -U ...
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1answer
26 views

Problem with firmware password

Some days ago, I opened my laptop, it was doing security update. After the update, the login screen appeared and I enter my regular user/password but instead of login it asked the firmware Any idea ...
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1answer
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Unlock iPhone via accessibility button press rather than “Slide to Unlock”?

I have an old iPhone with a shattered screen. I use it as a dedicated music player. I can comfortably tap buttons on the screen. But sliding my finger across the screen causes irritation due to the ...
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2answers
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Security implications of user owned directory in /Applications

I was checking the content of /Applications and I saw that some directory are owned by root and some are owned by myUser. Eg: $ cd /Applications $ ls -l $ drwxr-xr-x 3 myUser admin 96 Sep 1 11:...
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Blocking SYN-Flood Attacks?

I've got a Mac web server that's been getting hit pretty regularly with SYN half-open attacks. I've looked in to various ways to combat this. I've found a lot of general information, but not very much ...
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Security Update 2020-004: Apple Remote Desktop and Screen Sharing Not Working? Anyone else noticed?

I just installed the security update on a remote computer and can no longer access that computer via Apple Remote Desktop or Screen Sharing? Luckily I had Teamviewer as a backup... Anyone else notice/...
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WhatsApp security code changes

I recently had to restore my iPhone as I wasn’t able to remember the passcode for it. Upon reinstalling WhatsApp on a group chat each of the members security codes have changed a number of times (3 ...
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hidden accounts: why change home directory location and select UniqueID less than 500?

I am reading this post from TechRepublic on how to create a hidden admin account on macOS which recommends to set User ID to be less than 500 change home directory, e.g. to /var/username Is this ...
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Possible to change computer name on Mac without logging in

Is it possible to change the computer name on a Mac without logging in? Background to this question is the following. My work pc was stolen and I send an erase command to the stolen pc while he was ...
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1answer
66 views

How to disable Boot Camp and prevent any other OS installations?

Is it possible to completely block the use of Boot Camp such that the current Mac OS installation is the only OS available to use? This is for T2 security chip enabled Macs specifically. I found this ...
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How to prove that the policy banner is showing up before the user credentials

I set up the classic company policy banner that a user must read and accept before is prompting to log in with the credentials. The Security Department is asking me if there is a command line in ...
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Why does un-paired/removed Apple Watch still appear as macOS unlock option?

Several weeks ago I erased an Apple Watch I plan to sell/recycle. A few days ago I noticed it was still listed in iCloud Devices, so I "Removed from Account." All seemed to go well: it no ...
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search password with security find-internet-password based on `where`

From the macos terminal, I would like to be able to find an internet password based on the Where field and i cant find a way to do that. From the manual of the security utility , i cant find anything ...
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Why an error occurred when I run slmgr command in my Windows 10 Command Prompt?

I downloaded a fresh copy of Windows 10 ISO file named Win10_2004_English_x64.iso from the official Microsoft website. I installed it on my MacBook Air via Boot Camp Assitant. All process was ...
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27 views

How can I configure iOS so that all Internet traffic goes through a VPN and is blocked if the VPN isn't activated?

How can I configure iOS so that all Internet traffic goes through a VPN and is blocked if the VPN isn't activated?
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Restore permissions of “Finder wants to make changes. Type your password to allow this” for Finder App on MacOS

I have an app called Turbo Boost Switcher that I use to switch off turbo boost for my mac. but it's annoying since I have to allow the app to "make changes" every time I open my laptop. I ...
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1answer
79 views

Why are CPU fans running on my MacBook Pro 15" full blast while my laptop has just booted up and waiting at the login screen?

I know a lot of people have problems with the MacBook Pro's CPU fan running super loud and IMO the Activity Monitor is less than unreliable in telling what's really causing it… but let's check what ...
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1answer
721 views

A software update is required to use this startup disk - does not update

I'm trying to do a clean install of macOS via USB on my MacBook Pro 2019 13". I have setup the boot security so that: It has medium security (I also tried no security) on bootable devices Allows ...
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How to create new recovery key for Apple ID

I use 2FA on my Apple account and I lost the recovery keys. According to this support article, I should be able to create new keys: If you ever need a new Recovery Key, you can create one from your ...
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275 views

Meaning of '“Applications” would like to receive keystrokes from any application'

I am on MacBook and see: A google search for the exact quote reveals very little. Is "Applications" referring to everything in the Applications directory? Is this a common request on macOS (...
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30 views

MacBook Pro cannot find keyboard and searching for keyboard for 1-2 minutes

I never use a wireless keyboard or mouse. I do use a wired keyboard and wired mouse. I've noticed on several occasions when I unplug and move to a different location without those accessories, for a ...
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How to maintain a Mac protected on the Internet when any sharing is on?

Mac with Internet door closed When a Mac is connected to the Internet but no sharing is activated it is correctly protected on the Internet side. A protection situation one can check with a tool like ...
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macOS security prompt offical or possible malware? [macOS Catalina]

Why I'm Asking: I've used all Apple operating systems since OS X Snow Leopard to macOS Mojave and I've never seen this security input prompt, or that symbol anywhere on mac's official system security ...
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Listing all applications that are actively listening through audio inputs

I would like to know if there is any way to use terminal to list all active applications that are listening to audio devices (built in microphones, usb mics, etc) via terminal. I already know about ...
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2answers
1k views

Macbook, Can't boot from USB because has no administrator in startup utility

When I was going to ReInstall a fresh copy of Catalina MacOS on my Macbook pro 2019 16 inch, unfortunately I deleted all partitions instead of erasing them. As my internet connection is so unstable as ...
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1answer
48 views

Is it possible to list running processes that are not signed or notarized?

This would be interesting in general but also helpful in diagnosing the frequent appearance of MacOS error: -67062 in the Console. Edit: in response to comments, the question is more specifically ...
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1answer
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Passcode entanglement with UID

While reading the Apple Platform Security document, I came across this statement under the Passcodes and Passwords section The passcode is entangled with the device’s UID, so brute-force attempts must ...
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2answers
29 views

iCloud sign-in asks for password of MacBook that's running my Fusion VM of OSX 10.11, then rejects the correct password. Fix?

I am the original owner of a mid-2012 MacBook Pro, which is currently running 10.14.6. On it I am running VMware Fusion 11.5.5. I created a VM of OSX 10.11 El Capitan so I could help a relative who ...
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Can't add apps to “Files & Folders” under Security & Privacy

Can't add apps to "Files & Folders" under Security & Privacy, plus/minus buttons are greyed out. Any ideas on how to fix this?
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2answers
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Can macOS's ramdisk be swapped to disk by the operating system?

I want to create a secret provisioning systems that on deployment decrypts secrets on the target machine and put them in RAM. They should be accessible as file so that services on the same machine can ...
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1answer
49 views

Applescript to output UTC Datetime at cursor without SystemEvents

It would be enormously helpful if I could bind a script that outputs the current UTC timestamp to keybindings and have the output magically appear at my cursor in whichever application I was using. ...
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1answer
47 views

Tool to sort Activity Monitor: legit or suspicious

I was wondering whether there was a tool similar to Hijackthis on Windows for Mac. I know Mac doesn't have a registry, but malware could similarly run as a background process, service or helper tool. ...
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2answers
154 views

How does Fing detect the model and MacOS version of a device

I was running Fing on my iPhone. My Macbook Pro is on the same wireless network and I noticed that Fing not only detected my laptop's name (this is understandable, it is broadcasted, I can see it on ...
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1answer
45 views

Mac OS disable shutdown prevention when user is logged in

At our office, there are tons of different users who use the same Macs running High Sierra over the course of a day. Unfortunately, sometimes people forget to log out after they've used those ...
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WifiScan Security Exception System Segmentation Fault in System Log? (SUBSYSTEM: locationd / accountsd : com.apple.locationd.Position / GeneralCLX)

I'm seeing a startup WifiScan segmentation fault (security_exception) in my O/S console system log after a fresh system reboot / startup. Has anyone else seen this? Is this related to removing and ...
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2answers
55 views

Turn off the ability for users to have a password hint

I am working on a security setting for my company that requires users to not have a password hint. Since we have several users that either ignore our security options and purposely go against ones ...
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1answer
22 views

What APIs is the `security` cli using?

in particular the execute-with-privileges subcommand, which uses fingerprint scanning GUI to authenticate and i'm curious whether those could be used if I build a cli. Details security is a standard ...
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3answers
87 views

I'm taking my 2010 iMac in for SSD installation. What is best way to secure my iMac?

I have a mid-2010 iMac running High Sierra and I'm taking it to a local shop to get my fusion drive replaced with an SSD. I of course have sensitive info in the Notes App and elsewhere on my computer. ...
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2answers
351 views

Allow all applications to access Desktop, Documents, and Downloads in Catalina

How do I disable the macOS Catalina security feature that prevents apps from accessing the Desktop, Documents, and Downloads folders without my permission? The ideal fix would be something that I can ...
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15 views

What tools can be used for Mandatory Access Control on MacOS?

Target OS: High Sierra, Mojave, Catalina. I am looking for a tool/software which can restrict programs' capabilities with per-program profiles, just like AppArmor for Linux. Example use case, admin ...
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26 views

How is it possible for certain retailers to link Apple Pay transactions back to the original card that was used to make the payment?

From carrying out some research over the last several days, my understanding is that when adding a card to Apple Pay and when using the just-added card to make a transaction, the retailer only sees ...
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1answer
218 views

How to turn off localhost web server

I've discovered by accident that my Mac is running a localhost web server. I typed "localhost" into Safari and got "It works!" I get the same result when I go to http://127.0.0.1:...
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0answers
26 views

Security benefit of using a 'standard' user account? [duplicate]

As the sole user of my macbook, are there any security benefits of using a standard user account for day-to-day usage and entering in the admin password if needed? I have found years old, inconclusive,...
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31 views

Load .pem certificate to Apple KeyChain

When I drag my .pem certificate to the Apple Keychain it shows me "An error occurred. The content of this file cannot be recovered". Also I tried to double-click the .pem file but show me ...

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