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0
votes
2answers
13 views

How to reset to default permissions

During development and debugging I have changed permissions of various files and folders using chown and chmod on my local system (I didnt maintain the list of changes). Now that I have fixed the ...
0
votes
0answers
10 views

Can't delete keychain items with UI, but command line works fine

When using the Keychain Access app, I am often unable to delete an Web form password item. I have tried hitting the delete key and going to Edit > Delete. In both cases, nothing happens, there is no ...
0
votes
1answer
59 views

Apple Mail doesn't show when a mail is encrypted (using S/MIME)

I have recently started using S/MIME since we got a certificate from our school and are advised to use it when possible. I am using El Capitan 10.11.4. The encryption and decryption process ITSELF ...
79
votes
2answers
91k views

How to upgrade OpenSSL in OS X?

Today the heartbleed OpenSSL exploit was announced in the wild, which allows an attacker to surreptitiously detect and steal private server keys (allowing them to MitM and decrypt your encrypted data ...
1
vote
1answer
53 views

Does someone know my (old) Apple ID password?

Today, I suddenly got the following message on my iPod: Question 1: Does this mean that someone has entered my Apple ID password, or are there other situations where this dialog is triggered? ...
1
vote
0answers
36 views

How do I obtain a list of all the passwords stored in Keychain Access?

My MacBook was stolen. I have a new Mac with all the data restored from my AirPort Time Capsule, including all the passwords that were on the stolen MacBook. Is there way to list all the passwords ...
1
vote
1answer
32 views

How to Limit Wifi Connection to Only One Application?

I need to connect to open Wifi network but I do not want all my applications access internet with it. Only one internet browser. I am using at the moment VPN Service PrivateInternetAccess.com (PIA). ...
0
votes
3answers
67 views

Do you really need antivirus software for Mac OS X? [duplicate]

Do Macs and Apple laptops need security software, or is OS X safe to use without antivirus? Recently I got free antivirus for Mac from Comodo. It works perfect?
1
vote
3answers
2k views

Transparent locked screen

On my iMac, I keep a lot of supervision windows (displaying alarms and trends). These windows lead to priviledged access to very sensitive equipments. I would like to protect this iMac from any ...
3
votes
2answers
35 views

How does Twitter or Vine remember login credentials in between of installations?

If you install Twitter, or Vine, equally, then you log in, then uninstall the app, then install it again, it somehow appears already logged in. I've got several ideas about how this might work, but ...
4
votes
4answers
22k views

How can I tell if my iOS device is currently jailbroken?

How can I find out if my iOS device has been jailbroken (with a drive-by exploit for example)? Is there an app for that?
4
votes
2answers
66 views

An unknown computer is – sometimes – shown in my Finder

In the attached picture you can see the name of an unknown computer (desktop-aqnpumc) in my network. "Delat" means shared and SuperNova is my own TimeCapsule which is shown in Finder. I cannot ...
0
votes
0answers
16 views

Dump iCloud keychain in Terminal

I failed to find the path to iCloud keychain to do just security dump-keychain - the iCloud keychain isn't shown when I try security list-keychains. What is the path to that keychain (or, if it cannot ...
1
vote
2answers
1k views

Mac OS X Mail signing messages with S/MIME certificate from startssl

I've got myself an S/MIME certificate from StartSSL, which I have exported from the browser, imported into my keychain and as expected Mail.app is now signing my outgoing messages. However some ...
1
vote
2answers
3k views

Is my Mac partition secure if it has FileVault 2 but the Boot Camp partition is unencrypted?

With a Macbook Pro Retina running OS X 10.10 and Boot Camp Windows 7, my Mac HD is encrypted with FileVault 2 and the Boot Camp partition is unencrypted. Does this weaken the security of the Mac HD ...
0
votes
2answers
165 views

List failed login attempts on Yosemite

I want to see if somebody has tried to log in on my computer, which is running Yosemite. I am primarily interested in tracking ssh log in attempts, as well as tracking people physically typing ...
5
votes
2answers
9k views

Does iOS have a firewall?

Does iOS support a built-in firewall like Mac OS X does? I don't see anything about it in Settings.
7
votes
2answers
3k views

Can I block ports and network traffic when using Personal Hotspot?

I would like to block ports and network traffic when using my jailbroken iOS device as a Personal Hotspot. The reason is I don't want my backup program, computer updates, or any high bandwidth usage ...
1
vote
1answer
34 views

In which part of iOS is the auto-erase feature implemented and how does it work?

I followed the Apple vs FBI case a bit, and I'm super curious how Apple implemented the auto-erase feature. Reading their documentation, it seems like it is as simple as erasing a key that is used to ...
1
vote
2answers
30 views

Does an iPhone require the users password after being reset via the “search my iPhone” utility?

I wanted to sell my old broken iPhone but was reluctant because of the data stored on it. I couldn't reset it because it wouldn't power on. So the buyer said I could just reset it via the utility so ...
7
votes
5answers
22k views

Issue with deleting user account

I want to delete a user account before selling my machine, so I chose the secure delete account option in System Preferences > Users & Groups. I think I saw a progress bar at first as it was ...
1
vote
2answers
2k views

How do I force my MacBook Air into “hibernation” mode?

I have a MacBookAir3,2 (late 2010) running 10.9.3. I want to be able to force the machine to immediately go into "hibernation" mode, but it seems impossible. The usual answer that I have seen is ...
1
vote
2answers
855 views

Disable System Integrity Protection on OS X running on VMware

I have an instance of OS X El Capitan running on VMWare Workstation 10. I need to make changes to /System and therefor have to disable System Integrity Protection. How do I access recovery mode on ...
1
vote
0answers
16 views

Security Settings Don't Stick

I've been trying to change my security settings to let apps downloaded from anywhere open. Or to at least open the app I want. Neither seem to be working. I don't get the verification to open the ...
0
votes
3answers
22k views

How to block certain IP/MAC Address that access your WiFi Network ?

I can see people access into my Wifi by going into AirportUtility Here is a list of people that are connected to Wifi at the moment. There're 2 of them in there that I'm not sure - how they get in ...
0
votes
1answer
52 views

Does FileVault 2 also encrypt my free disk space?

Does FileVault 2 encrypt my free disk space as well as the deleted files that may linger on there? I ask this because I am selling my MacBook Pro and want to sell it but I'm not sure how to securely ...
0
votes
0answers
14 views

Lock iPhone 6s app with passcode or fingerprint

I want further secure apps which contain private information (for example: Google Photos which contain all my photos till date), with passcode or fingerprint. What is the best way to achieve this?
2
votes
2answers
29k views

How to stop remote connection/intrusion

First of all, I am new to Apple and not a very technical person. Please bare with me. A person within my network got access to my MacBook Pro through Wifi, and somehow now he can connect remotely. ...
3
votes
1answer
51 views

Add command to sudo in OS X - or how to fix a major security inconsistency in OS X

OS X provides Keychain Access, which is a great way to save passwords of varying apps and websites. When you want to view a password via the Keychain Access GUI, you are asked the admin password. ...
1
vote
0answers
28 views

SSH keybased authentication using smartcard

I originally posted this on Information Security but am hoping to attract an answer here since this is OSX specific. So I'm fairly new to more secure forms of key management, I've been used to ...
9
votes
2answers
16k views

How safe is iCloud Keychain?

Say I installed a malicious app on my iPhone that stole my iCloud password. Can the Keychain be compromised ? Basically, can the keychain passwords be accessed by solely having the iCloud password ? ...
14
votes
3answers
26k views

iOS Untrusted Developer error when testing app

I am trying to make my own iOS applications by using Xcode 7 and iOS 9.0. I have successfully been able to install the app on my own iPod by following these steps however when I run the application I ...
12
votes
1answer
24k views

Prevent my Mac from connecting to an unsecure Wi-Fi network?

How can I prevent my Macbook from connecting to non-secure wireless networks? I've ticked the "Ask to join new networks" option and removed the offending network from the Preferred Networks list in ...
0
votes
1answer
30 views

If AirPort Time Capsule is compromised, will it disclose contents of encrypted backups?

I'm thinking about using an AirPort Time Capsule for my Time Machine backup. I would certainly use encryption, but I'm still concerned about sensitive backup data sitting on a networked routing device ...
-1
votes
3answers
55 views

How to know that an iPhone that I purchased from a third-party is not JailBroken? [duplicate]

Say, I purchased an iPhone (not from Apple or any official reseller.) How do I know that it's not Jailbroken? PS. My concern is the presence of key loggers or other tracking software.
1
vote
2answers
3k views

Trust this computer - what is shared?

Apologies if this has been asked before, but when you trust a computer, what data is shared? I'm on iOS 8 and have been plugging my personal phone into my work PC for charging. I click "trust" ...
12
votes
4answers
71k views

How do you remove SSL certificate exceptions on iOS?

When connecting to a URL via HTTPS and the SSL certificate doesn't match (such as at a paid Wi-Fi hotspot), iOS shows a dialog asking whether the certificate should be accepted. If you accept the ...
3
votes
4answers
4k views

How to get rid of annoying Non-secure Jabber Login popup?

My Messages app out-of-blue started to complain that my GTalk credentials are being sent in non-secured manner. Your name and password will be sent in a way that is not secure. Do you still ...
15
votes
2answers
12k views

Where does Apple's predictive keyboard get it's “contextual” content from?

So I was playing around with the iOS 8, when I notice that upon typing "new" anywhere, the predictive keyboard suggests the term "NewTerm". I recall using this word in a tweet, so I brushed it off. ...
1
vote
1answer
14 views

Can I set some sort of “never send error report” on an app that has to be force quit frequently?

RSA SecurID. OSX El Capitan. The app is frequently unresponsive when the computer comes back from sleep. Response from IT Support: "it's not meant to be left running". In other words I'm supposed to ...
0
votes
0answers
47 views

“security add-internet-password…” gets “User interaction not allowed”

I'm trying to update an old and outdated Puppet manifest to setup a new Jenkins slave on OSX El-Capitan and hit an issue which I suspect could be related to new security features in El-Capitan. The ...
0
votes
0answers
36 views

El Capitan Macbook Pro password expiration

I have just set up a brand new Macbook Pro and updated to 10.11.4. It is bound to our school Windows network and our Apple OD. My problem is that it immediately started prompting for password resets ...
0
votes
0answers
28 views

Mac crashes on Security preferences pane

I restored my machine from Time Machine last night. Whenever I go on "System Preferences > Security", the Mac crashes. There is a com.apple.preference.security.remoteservice file. Additionally, ...
0
votes
0answers
20 views

Installing from not certified developer causes system panel to crash

I want to install third party software. My security settings are very high, so I have to confirm to install software from a not certified developer (yes, the software is trustful!). This night I ...
1
vote
1answer
28 views

Verify DNSSEC being used by Safari when visiting a web site

Is there some way to verify that DNSSEC was used by Safari when visiting a web site? I'm most interested in Safari for Mac OS X. But if there is a way in iOS, that would be important as well.
6
votes
3answers
162 views

How can I report security vulnerabilities for open source OSX applications?

In the event of finding a security vulnerability in the Linux world, the procedure involved would be to report the vulnerability... ...to the developers or the maintainers of the package in a ...
7
votes
3answers
4k views

How do I deactivate my microphone and iSight for security reasons?

In OS X 10.8 it is possible to log in via SSH and get access to hardware input devices like microphone and iSight camera. Thus it is possible to remotely record audio and video of other users sitting ...
0
votes
0answers
27 views

Mac won't open programs

My problem is that whenever I try to open a programme it doesn't seem to work because of "Unidentified Developer" even though I have my security downloads set to anywhere which should be the correct ...
22
votes
5answers
12k views

HFS+ case-sensitive or case-insensitive — which type to use for the primary drive partition?

What reasons are there for choosing the case-insensitive version of HFS+ when formatting the primary drive partition? Would case-sensitive not always be the best choice?
2
votes
1answer
113 views

Does FileVault protect against ransomware?

I've already asked a question about ransomware on OS X in general. But I failed to get a response regarding whether FileVault protects against it. That is what this question is about. I'm also ...