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

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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, ...
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303 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 ...
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75 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 ...
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294 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; ...
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625 views

Macbook pro, rootkithunter

I've never really tried to understand rootkit enough, I'm too much paranoid... I recently reinstalled mountain lion, but my EFI might be infected. I have a macbook pro, it was really slow at some ...
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How do I stop MacBook port scanning & fragment packet attacks

How can I stop OSX El Capitan from port scanning and stop fragmented packet attacks?
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26 views

Under what conditions does Safari have access to the Keychain?

The Keychain is shared among many different apple products and includes asymmetric, symmetric, and other types of security data. People who use iCloud, and also enable the keychain synchronization ...
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20 views

How do I view the signature of an iOS application?

OSX had an issue where the certificate was expired and several apps could not be opened after that date. The command above illustrates how this could have been detected. Does iOS have a similar ...
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98 views

Is checking out network traffic for suspected malware useless if the malicious actor is in a different timezone? [closed]

I had recently upgraded from OS X 10.10 (Yosemite) to OS X 10.11 (El Capitan) from a bootable drive that the Genius Bar of one of the my city's Apple stores has, and I installed the 10.11.1 update ...
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63 views

Is there an extension/command line for OSX Chromium to save website passwords in LOCALSTORAGE instead of the system's keychain?

My situation: I want to use a portable-app implementation of Chromium running on a removable drive, so I never leave any passwords stored on the kaychain of any computer I use. Portable Chromium is ...
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239 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 ...
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34 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 ...
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559 views

Intrusions attempt monitoring (on MacOS X) [closed]

I know utilities such as last exist - but not sure if it's applicable for my needs - I'd like a system to notify me of any login attempts on any of my macs (home, work or remote). Attempts from a ...
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2answers
237 views

“You have new mail” message

I received a message from Google saying someone entered my email account. I confirmed that there were an access from an IP in another country. I have noticed "You have new mail" message when I open ...
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1answer
498 views

At Starbucks, is my MAC address sent when I accept the terms of service for free Wifi? [closed]

Recently, I overheard by chance some technically savvy guys saying that when you accept the terms of service in order to use the "free" WiFi at Starbucks (which you pay for when you buy some coffee), ...
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4answers
677 views

nmap mac os lots of questionable ports open

Ive been recently trying to lock down my network at home and suspect that someone has hacked my linksys router because port 3128 seems to be open through the router and I have no knowledge setting or ...
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2answers
290 views

Random File downloaded

Okay so I was setting up stuff on my new mac earlier, downloading flash and office. They both downloaded and installed smoothly, but after I noticed a weird new file in my 'downloads' folder: ...
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1answer
68 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 ...
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1answer
224 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 ...
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1answer
141 views

Did I get hit by the recent Java exploit?

Looks like the website iphonedevsdk was responsible for serving up the malware that's been causing some of the recent security exploits. According to my browser history, I visited that site back in ...
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1answer
2k views

Is OSX or Mac hardware used in the InfoSec world? What resources are available? [duplicate]

Possible Duplicate: Mac OS X from an IT Security Practitioners' Perspective? I'm new to the OSX world (formerly Windows background) and am interested in understanding what is or isn't ...
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1answer
557 views

How does FileVault 2 work with multiple decryption keys?

With FileVault 2, you can encrypt the hard-drive such that users on the computer can decrypt it with either of their passwords How does this work?
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1answer
165 views

Suspicious wifi networks from distant places and hotels

When I check my Macbook's network settings, I see some unfamiliar wifi networks from distant places like famous hotels. It's impossible to connect to those networks because I've never been to those ...
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1answer
173 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 ...
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2answers
246 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 ...
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1answer
6k 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 ...
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1answer
15 views

What is the accessibility of a process's environment on OS X?

Are the environment variables of a process running on a modern OS X system accessible to other processes? If so, is this information accessible only to the same user and root? This answer from Gilles ...
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165 views

Spoofing TCP/IP stack OS Fingerprinting attacks in OSX

We need to change our OSX fingerprint in order to impersonate the Android OS against "passive OS fingerprinting" attacks. For Windows machines there are tools/guides for doing that, but can't find ...
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2answers
118 views

How do I find the source of network traffic from a specific host?

My firewall identifies an unusual amount of traffic to 8.8.4.4 from host 192.168.76.22 (a Mac OS X Server). Within that server, the network connections are defined with a primary DNS pointing to my ...
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1answer
190 views

Need To Use Live CD With Mac without Shutting Down Computer (VMWare/Parallels Secure?) [closed]

I've heard of using Live CDs such as Tails to protect yourself online. Is there a similar setup to this that would work except run a Mac OS? I've done some searching, but have yet to find anything. ...
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1answer
90 views

On my MacBook, is my user password now the Achilles heel of disk encryption?

From a cold boot, the only password needed to unlock the primary encrypted volume on my MacBook's SSD is just that of my main admin user. This was not always the case; it used to be that I could ...
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1answer
460 views

Chromium Sandbox on Mac OSX: Is it enabled by default?

I have decided to finally replace the closed source and privately owned Google Chrome with the open-source Chromium on my Mac OSX 10.9.2 (Mavericks). I have read the differences between both here: ...
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1answer
67 views

Why is it ok that OS X defaults to ignoring owership on external volumes?

I just discovered this fact tonight and I was rather floored by it. Isn't that a gaping security flaw? I realize that an external drive is less secure by virtue of the fact that someone could simply ...
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200 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 ...
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1answer
7k 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) ...
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1answer
390 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 ...
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1answer
145 views

How to fetch and update all my friend's keys? [closed]

Where can I upload a list of my friends and get a list of their keys found on keyservers? Here are some key servers: http://keyserver.ubuntu.com:11371/ http://pgp.mit.edu/ ...
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1answer
681 views

Securing firewalls for XAMPP on Mac OS X

I've recently installed XAMPP on my Mac OS X 10.6.8, and this has caused me to reevaluate how I have my firewall setup. Right now I am using the two firewalls that came pre-installed on my computer: ...
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18 views

Calculate SHA1 sum of file with GnuPG on OS X [migrated]

I'm looking at the GnuPG download page, that's telling me that I can check the hash sum of a file with the following command: sha1sum apache-tomcat-9.0.0.M1-src.tar This unfortunately does not ...
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197 views

Tradeadexchange everywhere. On my mac, android and every browser

The tradeadexchange malware seems to have infected me in every possible way. It pops up new tabs whenever I am browsing on my Mac or Android devices, and also in any browser-Firefox/Chrome/.. ...
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62 views

Forensics: Any legitimate reason for code injection in artifacts?

I have two images I'm analyzing using volatility. I've found two instances where malfind found injected code in processes in which the code had well defined function prologues and returns. One was ...
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630 views

How to configure ettercap-ng's etter.conf to use sysctl instead of ipfw for sslstrip plugin to work on OSX Yosemite?

When I run ettercap-ng with sudo ettercap -Tq -i en1 -M arp /// I get the an error based on ipfw from the etter.conf file, like this: WARNING: ...
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24 views

Is it a security risk to give read/write permissions to /Library/WebServer/Documents to my main account?

The default setting is that the apache2 root-directory Documents is owned by root and I have to enter a password each time I change it. This is why I want to give full permissions to my user account ...
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1answer
2k 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 ...
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1answer
726 views

Is there a way to get OS X to start a VPN connection before allowing network traffic? [closed]

I'm running OS X 10.8 and have Tunnelblick set up so I can connect to my OpenVPN server at home. I've also used this at $WORK in the past. When I'm out and about and want to jump on a public network, ...
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1answer
174 views

Mac app purchase validation

How do I sell a mac app off of my website without somebody being able to copy-and-paste the app to some friends after he buys it, etc.. I understand that you can use receipt validation when selling ...
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2answers
5k views

Is it Possible to Dual Boot OSX Lion & Backtrack 5 R2 Smoothly? [closed]

I have a 13inch Macbook Pro i5 and I would like to duel boot backtrack 5 on it as my ram struggles a bit when I run it inside a virtualbox. I have heard stories how it has borked the install on osx, ...
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0answers
6 views

OpenSSL 0.9.8zg [migrated]

A week ago, as part of the installation a PHP 5.4 cartridge from openshift.com on my Mac with OS X v10.10.5 in the Terminal I noticed a message about it is loading OpenSSL 0.9.8?? for compatibilty ...
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1answer
117 views

Can someone bruteforce my OSX? (Macbook)

Is it possible for someone to bruteforce or perform a dictionary attack on a Macbook? It's very easy to bypass security of a Windows box (Password Protection) , what is the difficulty level of ...
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2answers
160 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?