Tagged Questions

Mac OS X is a series of Unix-based graphical interface operating systems developed, marketed, and sold by Apple Inc.

learn more… | top users | synonyms

0
votes
1answer
116 views

CloudFlare - prompted for “attention required”

I am getting a CloudFlare - attention required / security check prompt on most of the sites I visit through my Macbook running OS X Yosemite, these sites work perfectly on other devices (such as iPad, ...
1
vote
1answer
45 views

Strange TCP traffic on Mac OS X from 'rdmd'

I noticed some curious traffic today on my MBP after running lsof. It seemed that a process called rdmd had begun 3 TCP sessions: rdmd 85842 0 9u IPv4 0xca0e547f0a118fdb 0t0 TCP ...
-1
votes
0answers
86 views

Can I used the command line to disable settings in Yosemite that have made my Mac visible? [migrated]

Recent changes to my machine as the result of an upgrade to Yosemite (OS X 10.10) have made my machine visible on Bluetooth and Bonjour, where it was not visible before. Is there a command line way ...
2
votes
1answer
72 views

How Do I Troubleshoot a Browser Hijack on a Mac?

My Mac is getting weird redirects with Safari and Chrome, however not with Mozilla Firefox. Since I cannot find software to do malware removal on Apple products or any good information, I am at a loss ...
-2
votes
2answers
51 views

Can my Mac be affected without running the malware?

Can my Mac be affected by malware without running it? For instance, if I download a random file, but don't open it, can it infect my computer?
2
votes
3answers
203 views

How can a Mac OS X user protect themselves from shell-shock AND remain connected to the internet right now

Seems to me that there is a need to remain online, esp. for business users and that even when this is corrected, there will be a need to go back online to get the Apple patch. e.g. Is removing bash a ...
7
votes
3answers
7k views

How to patch Bash on OSX in wake of “shellshock”? [duplicate]

My Mac is vulnerable, as this test shows: x='() { :;}; echo VULNERABLE' bash -c : (source) I am using the version of bash that came with it. I also use Homebrew. What is the preferred way to patch ...
40
votes
3answers
22k views

Are ordinary OS X desktops at risk from bash “shellshock” bug (CVE-2014-6271)?

I've recently heard via Twitter about CVE-2014-6271. Are ordinary OS X desktops, that aren't acting as a web server, at risks of receiving attacks that could exploit this vulnerability?
2
votes
0answers
34 views

Removing malware which is creating temp file and modifying network traffic [duplicate]

I am on OSX 10.9.2, please note I have included several URLs in my post, this is not spam this is due to the nature of the malware. I have just discovered I have malware on my computer after noticing ...
0
votes
2answers
80 views

Can I find out if my employer is snooping on me? [duplicate]

I work at a large university and have a computer supplied by my employer. I would like to find out whether my employer is snooping or can snoop on my files or activity on my computer. Can I find that ...
0
votes
1answer
270 views

Does Kismac work on MacOSX 10.9+? [closed]

Hi I am trying to get Kismac working. I downloaded the r407 version from here (http://trac.kismac-ng.org/wiki/Downloads) but when I scan for networks I get a never ending sceen saying "Loading Apple ...
1
vote
2answers
106 views

Difference between OS X md5 and gnu md5sum

I have installed the "md5sum" utility on my Mac and there was also a "md5" binary pre-installed in /sbin. My problem and question is this: "Isn't MD5 a standard algorithm?" Because I get different ...
2
votes
1answer
192 views

Capturing iTunes traffic with Wireshark - SSL decryption question

I'm fooling around with Wireshark to capture the activation packets for an iPhone and some other stuff, however the traffic is encrypted. There should be a private SSL key somewhere on my computer to ...
0
votes
1answer
93 views

Can any App Store app access all of my passwords?

Whilst researching another question, I've noticed that on OS X 10.9.4 there are many instances of Library/Keychains/login.keychain from ~ within the Data folder of what looks like apps from Apple App ...
6
votes
2answers
179 views

Mac OSX: What is the safest way to access an unknown USB storage?

Let's say a friend gives me a SD-card which I'm not sure is safe (i.e. it may contain malware), what is the safest way to access this card on a Mac OSX? E.g. Is it possible to create a sandbox in ...
3
votes
2answers
281 views

Export non-extractable private key from Keychain on OS X

I have a PKI certificate in Keychain Access.app on OS X 10.9, together with the private key. The manual page for /usr/bin/security indicates that there is a -x option for security import to specify ...
1
vote
1answer
75 views

Can any malware access the OSX keychain data

I'm working on a security project. I have sensitive data that I would like to store in OS X's keychain. I'm able to add the data programmatically into the OS X keychain by using RHKeychain. But after ...
0
votes
4answers
87 views

Can a virus on the host affect the VM guest [duplicate]

let me explain my problem. The wifi on my macbook suddenly stopped working so tried to use my usb wifi adapter on a linux VM. But the funny thing is that nothing works on the guest vm either... Well ...
0
votes
0answers
127 views

Apple ID phishing lead to my router infected?

For future visitors, I will try to be as general as possible, but I must include details to give you a full picture. As my Apple ID's security email address belongs to my brother, he forwarded an ...
33
votes
8answers
6k views

Should I get an antivirus for my Mac?

There are some people saying that people should use an antivirus software on Mac. And there are thousands of people claiming that Macs don't get viruses (under this term I mean spyware / malware as ...
0
votes
2answers
122 views

Mac laptop security on insecure wifi connections

I'm going every year at big IT conferences (3k->4k people). Everyone is connected to the internet with wifi on laptops. This wifi is open, everyone can read the traffic and analyse it... The risk is ...
1
vote
2answers
139 views

What's there to harden for a home Unix-box behind Comcast cable modem?

I'm learning that much of the security advice I come across under the "hardening" heading simply does not apply to a single-user home desktop box sitting in a private wireless IPv4 LAN behind a ...
2
votes
2answers
34 views

Is there a website or other resource that lists operating systems/platforms and the included root certificates?

I need to choose a certification authority (CA), to get a certificate, but I noticed that there are several of these only present in some operating systems/platforms like windows. I need to choose one ...
2
votes
2answers
322 views

Is OSX vulnerable / susceptible to Gameover Zeus

I've heard a TON of vague info on Gameover Zeus recently. One detail I can't seem to find is if it affects OSX? when I say I can't find it I mean from a credible source. I've found loads of people ...
2
votes
1answer
162 views

How can I check if a Mac application has NX or ASLR enabled?

According to Wikipedia, the NX bit is set for all x64 binaries: OS X for Intel supports the NX bit on all CPUs supported by Apple (from 10.4.4 – the first Intel release – onwards). Mac OS X 10.4 ...
0
votes
1answer
55 views

How can a critical Adobe Acrobat security update, only available as an unsigned executable over plain HTTP, be verified?

A critical security update for Adobe Acrobat Pro and Standard 9 on Mac OSX is only available over HTTP, and is unsigned code. Is there any out-of-band way to verify the download is authentically from ...
11
votes
2answers
2k views

Is Apple's push notification service implementation vulnerable to a MitM attack

Recently(more info) I've spotted a strange message in the logs on my quite recent, fresh installation of OS X Mavericks 10.9.2 Apr 27 15:26:47 Ivans-MacBook-Pro.local apsd[194]: Unrecognized leaf ...
1
vote
2answers
3k views

Unrecognized leaf certificate

Every 15 minutes or so I get this message in my system.log Apr 25 22:05:36 Ivans-MacBook-Pro.local apsd[194]: Unrecognized leaf certificate Apr 25 22:20:57 Ivans-MacBook-Pro.local apsd[194]: ...
0
votes
0answers
131 views

Does Mac OS X 10.8+ support self-signed Package Installer

I'm not sure whether self-signed Package Installer are supported by Mac OS X 10.8+ Using informations in How to create an Apple Installer Package Signing Certificate I could create a Package ...
0
votes
1answer
2k views

How to install Metasploit on Mavericks + MacPorts? [closed]

I would like to install Metasploit on an hardened OS. For this purpose I chose Mavericks just because I'm able to harden this OS pretty far. I would like to install Metasploit with MacPorts because ...
47
votes
7answers
5k views

Can “cat-ing” a file be a potential security risk?

I often use cat on the console to view the contents of files, and every now and then I accidentally cat a binary file which basically produces gibberish and system beeps. However today I've ...
0
votes
1answer
122 views

I get the feeling that Microsoft and Mac use two different forms of AES

I have an AES string being produced with this class, the AesCryptoServiceProvider Class provided by Microsoft. And I need to decode this encryption with Ruby's SSL::Cipher class . The problem is ...
0
votes
1answer
3k views

How would I know if my Apple Mac has a virus, and what can I do if I have? [closed]

I have used PCs for most of my life, and I am very aware of the fact that they can catch a variety of viruses. I have owned a MAC now for two years, and have enjoyed a pleasant (perhaps too pleasant) ...
1
vote
0answers
28 views

To which extent are paid alternatives to Apple's Xprotect worth it?

Mac OS X ships with Xprotect, Apple's mechanism to detect and remove malware. System software security holes are patched decently quickly. In a world of fragmented, code-signed, sandboxed apps, what ...
1
vote
1answer
72 views

Can I reliably identify Apple devices that have not patched against the gotofail vulnerability based on user agent string?

The title pretty much says it. Do the security patches to address the gotofail security issue in multiple Apple products employing SSL change the User Agent string for the respective systems? And, of ...
2
votes
0answers
240 views

What is going on with my download of the recent Apple security update?

The update in question is the Mavericks combined update which, among other things, claims to fix the recent SSL vulnerability/gaping hole. This issue really annoyed me, so I decided to procure ...
-4
votes
1answer
129 views

Is it possible to hack my encrypted session and hijack the session by electromagnetic waves? [closed]

I'm concerned about microwave technologies nowadays and suspicious matter happend. So, I have several questions. Could you tell me about my question in below if you know. Question: Is it possible ...
1
vote
1answer
200 views

Why are OSX users of my TLS-only site being asked to supply a client certificate?

I purchased a Comodo SSL certificate (OV), and set up the Apache vhost config so that all traffic is forwarded to 443. Intermittently some users are being prompted to supply a client certificate; ...
4
votes
3answers
695 views

What is the most secure way to send emails using PGP?

I am a PGP beginner, having just downloaded GPG for OS X. I created my first pub/sec key for my email address and uploaded it to the public key server. GPG has several features available, namely: 1) ...
2
votes
0answers
1k views

What is a self-contained cross-platform encryption for USB drive? [closed]

I'm trying to find self-contained encryption solution for USB drives while at the same time being platform independent. For example, Windows' BitLocker only works on Windows and not on OS X or Linux. ...
7
votes
1answer
2k views

How secure is “Secure Keyboard Entry” in Mac OS X's Terminal?

I've been using Terminal under Mac OS X for years but somehow missed to spot this feature: I'm now wondering how does this actually work, and is it 100% safe? If it isn't, what technique could be ...
3
votes
1answer
231 views

Safely Use sudo Without allowing Other applications root privileges on Mavericks

I have noticed recently on OS X Mavericks that running sudo will not only allow one to run it again in the same window or even the same application, but will permit any application to run shell ...
15
votes
1answer
481 views

Keyboard firmware hack - Linux vulnerable?

I see that Apple patched OS X to mitigate against K. Chen's famous Apple keyboard firmware hack. However: Apple keyboards can be used with computers running other operating systems; and in any ...
1
vote
1answer
126 views

Why is ICMP timestamping disabled on OS X?

It would seem like ICMP timestamping is quite a useful feature for troubleshooting networks with asymmetric paths. Replies to icmp(4) timestamp requests are generated by the kernel: On OpenBSD, the ...
4
votes
3answers
476 views

How to keep Mac secure from viruses, malware and keyloggers?

How can I download and install software and make sure that it is not infected with viruses, malware or a keylogger? Also, I heard that Macs "don't get viruses". Is this true? Is it a good practice to ...
0
votes
1answer
1k views

Single user mode for Windows

I am familiar with single user mode on OSX. By holding down Command-S, you can boot into a terminal as root. Resetting the PRAM with Command-Option-P-R will disable any firmware protection that would ...
1
vote
2answers
215 views

In what sense is Knock to Unlock safer than a password?

I've recently seen a youtube video, which is advertising an iphone app which will unlock your mac computer by knocking on your iphone. The ad is claiming that it is faster and safer than typing your ...
0
votes
1answer
211 views

Fishy: VMware sends all traffic through akamai

I'm running Linux inside of VMware on the Mac, and on Linux I'm running a program that has connections open to perhaps 4 different machines. On the OS/X side however VMware has only 1 active network ...
0
votes
0answers
28 views

apple hardware for infosec student, or pc [duplicate]

I see a ton of infosec people using Mac hardware. mitnick, Paul asadoorian, tons of people at defcon, etc ... my question is ... I spend most of my time in Linux at school. usually in bt kali or ...
5
votes
2answers
326 views

Using FileVault on a Mac with existing data

I have recently got a Mac which I have started using already without any encryption while looking for the best solution. I have come to the conclusion that using Mac's own file encryption technology ...