The protection of computer systems and information from threats such as theft or data destruction.

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11 views

Block mobile tethering via USB from an Android phone on Windows (DLP)

In our small organisation I have tried my best at implementing DLP by : Making sure users access all files from the server Local disks are denied access(forced to work only on network drives) ...
0
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1answer
9 views

Edimax AR-7286WnA - Rom-0 Attack and all services disabled

Got an Edimax AR-7286WnA, dns pointed to malevolous. I'm using the google dns on all devices, but a virus redirect all my requests to tradeadexchange and then to a FlashPlugin fake update page that is ...
0
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0answers
7 views

Disable storage Access on Android 5.1.1

This is a problem with them android phones because if someone doesn't have the PIN for the phone, they can still access all the data by connecting it via USB, at least on Android. How can one ...
1
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2answers
23 views

How to login ssh without a password using the ssh host key?

I want to login to this machine, but I just have an ssh host key, not a password. Example from nmap: | 1024 b6:00:e3:71:8c:a3:4e:e4:8b:9a:b5:c2:68:86:de:82 (DSA) |_ 2048 ...
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0answers
42 views

Developing a consumer product that uses HTTPS to securely transfer data. Good approach? [on hold]

I am developing a consumer product and most of the fundamental elements and components are stable and properly developed. This is good for a prototype, but not necessarily for the end consumer ...
1
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0answers
28 views

How to re-add the security ques. in gmail? [migrated]

As we all might know that today is "Safe Internet Day". So Google is reminding us for the security check-up. I tried it. And I saw that I could remove my security question. I did it with the belief ...
0
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1answer
12 views

Extent of Citrix Receiver access to local resources

My partner's IT department told her that they "can see everything happening on your computer". Obviously a remote desktop client is going to capture keyboard and mouse, and could proxy local ...
1
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2answers
26 views

Scan outgoing traffic for sensitive data

I run Windows on my desktop, but I would be willing to route my traffic through a Linux box if required. I've had two instances of my credit card being misused in two months now. Despite being ...
1
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1answer
41 views

True Crypt Alternative For Encrypting Drives

I have Windows 7 Pro and as such, bitlocker won't work for me. I have some sensitive information which I have locked with an AES-256 key in a 7zip folder, but I would like to encrypt my entire drive ...
0
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23 views

Is encrypting via Windows sufficient to the average user's needs? [on hold]

Let's say I have a folder wherein I keep my working data. I'm on a standard Windows 7 computer without any spyware detectable by MalwareBytes, Spybot S&D, OTC, or Hijackthis. I'm doing safe ...
0
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0answers
12 views

Mac OS X “Verify Certificate” every time connecting to secure wireless

Every time connecting to the secure wireless, Macs are getting a prompt to verify the certificate: Verify Certificate Authenticating to network "Network-Name" Before authenticating to ...
1
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0answers
18 views

Prove that a user exported data from Quickbooks

An employee leaving the company has exported our entire customer list and a record of all of the individual product sales to each customer from Quickbooks. I know that we should have had access ...
0
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1answer
25 views

Does Ventrilo encrypt the VoIP stream, session, and/or communications?

If you're not familiar, Ventrilo is a voice chatroom used for gaming. Here's the wiki for Ventrilo and similar software Mumble and TeamSpeak to give you an idea of what the software is about. I ...
0
votes
1answer
11 views

How to copy network credentials from PEAP authenticated computer to a new PC

Backstory I'm a student on our school's school network. There's three tears of network at our school. There's the Student network which the student iPads are connected to. We don't have the keys, but ...
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1answer
35 views

Restrict access to folder in external HDD before lending it to someone

I have a HDD that I will lend to a friend of mine for a couple of days. There are some folders with personal files that I want to keep them private without temporary deleting them. What's the most ...
0
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2answers
77 views

Did I get hacked? Weird chinese files in Win 10 “recent files”

Whenever I open the file browser, I see this in last files: All of the above files should be on Desktop, where I do see nothing. I tried to google translate the file names, but no good. I tried to ...
0
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0answers
31 views

How this letter changes from f to r in address bar

Recently while i was browsing at offensive security website at firefox ,the words 'offensive' appears to be oRensive at address bar,Kindly have a look at the below snapshot : Note at the address ...
0
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0answers
13 views

Multi Boot - Prevent Drive Access / Data Security

I have one PC which I use for two different tasks. 1 - work 2 - play. I want to set up a separate boot for each. I want to keep the work part clean while play I could care less about. Along with two ...
0
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0answers
31 views

Keyboard/mouse layout changed and weird commands in logs. Was I hacked? (OSX)

Edit: Looks like my colleagues had some fun. False alarm. My work computer is running OSX Yosemite 10.10.1. I noticed my keyboard layout was changed to Dvorak and my mouse direction reversed when ...
0
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1answer
15 views

Mounting VHD, but not to a drive letter

Can I mount VHD so I can access it from my app, but not as a drive letter. I need to access some files from my app (C# apps), but don't want it to be visible in Windows Explorer.
3
votes
1answer
37 views

Practical SSH Key Management

As many users know, I run lots of Debian servers, for personal, work, and volunteer organizations. I'm seeing lots of posts recently on both Superuser and IT Security about disabling passwords, and ...
0
votes
0answers
19 views

Version information in DLL or EXE

This Stackoverflow question shows how to modify version information in some classes of binary files, like DLLs. I often rely on the version information as one metric (amongst many) for peace of mind ...
0
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2answers
14 views

How to remove OpenPGP private keys from computer?

As the title reads, I wonder how I could securely, physically remove my private keys from my computer. I can't seem to find a way to do that on Kleopatra. These keys I'm talking about are used for ...
1
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0answers
23 views

OpenVPN Confusion - Server and client on one machine?

I have searched all over the internet and tried so many things.. but I cannot seem to figure this out. I have a Raspberry Pi. I have an ethernet, but I have access to a wireless if I needed it. ...
1
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1answer
66 views

How to find vulnerabilities in ubuntu services? [closed]

I have an ubuntu server running. Today I found that the server got hacked and is being used for DDoS through amazon abuse report. I found the following things on the server. The following suspecious ...
0
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0answers
11 views

Ensuring Cron Jobs are called from within the Server

Here is the information about my development environment: Windows Server 2012 R2 Standard 64-bit Operating System, x64-based processor Microsoft Visual Studio Professional 2013 .NET Framework 4.0 ...
1
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1answer
62 views

How does adware infection work in Firefox, and how to get rid of it?

For the last few weeks I've had the following happening, using Windows 8.1 and Firefox V44. The only active add-ons are Adblock Plus, Flashblock and Norton Identity Safe: First, Norton Internet ...
0
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0answers
25 views

How secure is BitLocker without a TPM, using SED?

I'm trying to find a source for some basic information about BitLocker. Say I have a self-encrypting drive (SED) like a Samsung EVO, but no TPM. I enable BitLocker. There are two options: Password ...
0
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2answers
35 views

How can I create separate/isolated regions on a home network?

I currently have a flat network at home. My boradband router comes in and is connected to a switch, which supplies the Ethernet drops within the house. I also have a wireless router connected to the ...
0
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0answers
29 views

How can I identify processes with high CPU usage?

My CPU remains from 30-40 percent even when everything is closed. Is there a way to scan unknown/bad Windows 7 processes and apply a fix? Norton 360 is already installed. I just installed ...
10
votes
4answers
239 views

Got shocked by a native dell laptop charger outputting 19.5 V 6.5 A DC. It was REALLY uncomfortable, but was that dangerous?

Okay. My laptop was running out of battery. I grabbed my charger (outputting 19.5 V 6.5 A DC) which was plugged into the wall, and as I touched the end of the charger I got some electric shock going ...
0
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1answer
18 views

How to safely distribute an RSA private key for use by company staff? - Or more sensible alternatives to this

Let me start by saying that I know distributing a private key is a pretty stupid thing to do, akin to making copies of your password and handing it out (in this case, encrypted copies that will be ...
2
votes
2answers
47 views

Can Sophisticated Malware, Spyware and Viruses Read Files?

I've recently began encrypting my personal files using veracrypt. I've got my resume, which, obviously contains personal information (name, address, phone number etc.) A little bit of reading here, ...
0
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2answers
30 views

Should a MacBook emit EMF when wifi and Bluetooth are disabled?

I have a couple of MacBooks. Using a Trifield EMF meter with radio/microwave capability, if I hold the meter near the laptop (where I understand the wifi antenna is located), I receive blips ranging ...
2
votes
2answers
43 views

Chrome has some extensions I didn't install

Today I noticed that my google Chrome (Version 47.0.2526.111 m) has some extensions I didn't install on my own. And I'm pretty sure that I didn't install them on any of my devices I'm using (Win7, ...
0
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2answers
61 views

How can a WiFi router recognize MAC address change of a connected device?

My teen son and I are playing a hacking game. I've installed an WiFi router with parental controls, MAC filtering, VPN, etc. I block Internet for him, he tries to break out of the cage (for now I'm ...
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votes
1answer
25 views

Programming language essential to Security careers [closed]

Having absolutely no coding/programming experience my professor told me to take at least one programming course. What programming language is it imperative I learn if I aspire to enter into the cyber ...
0
votes
1answer
45 views

Why do I need a certificate to create my own other self-signed certificate

In the last few days I was trying to understand the story of certificates, and I understood the main principle of them, but I didn't understand that step when we create a CA cert to sign my own server ...
3
votes
1answer
32 views

Are full paths kept private by Firefox, or are they disclosed to websites?

In Firefox for Windows, when a website requests a file to be uploaded, Firefox displays a standard file selection dialog box. In that dialog box, the user selects the file to be uploaded. Unless ...
0
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1answer
38 views

How does ransomware work? [closed]

If it's possible to get a full rundown on how ransomware usually works in encrypting files, that would be nice. I know ransomware encrypts all files with AES-256 for speed, but where does RSA come ...
1
vote
1answer
58 views

Why does blocking sites through hosts file break HTTPS?

I've recently decided to give this hosts file a try. Just after adding these entries on my machine I've noticed that HTTPS connection is insecure on banking sites and PayPal. Chrome shows a red ...
0
votes
2answers
56 views

Prevent other Admins from accessing my computer

My Scenario I'm a developer, working with other developers in an enterprise environment. We all have administrative powers on all computers in the facility. We pull little pranks on each other some ...
0
votes
1answer
53 views

Is the Windows paging file safe in the encrypted partition?

I came across this setting called ClearPageFileAtShutdown. The setting is described here and says: If you are truly worried about security, boot Windows off a fully-encrypted drive. Then you ...
3
votes
1answer
42 views

Benefits of a Trusted Platform Module for a home user?

I'm a reasonably computer-savvy user who dual boots Linux and Windows 10, and I'm interested in security against malware, remote exploits, etc. on my home desktop. At least in theory, could a Trusted ...
0
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0answers
36 views

Windows Update does not display update notifications (Windows 7)

After performing a significant amount of research and reading posts on other sites, I have concluded that many Windows 7 systems are not displaying Windows Update notifications when updates become ...
0
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0answers
34 views

How can I create a Windows 8.1/10 user account that mirrors a guest account

I have been using the built in Windows "Guest" account for many years. The main reason why I love the "Guest" account is that I do not have to set special NTFS file permissions on a per ...
1
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1answer
26 views

How to see if the Windows Audit Service has been stopped?

I'm looking to find something in the Windows Security logs that will tell me if auditing has been disabled - the idea being that if somebody wants to conceal their activity, they'll turn off the audit ...
0
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0answers
9 views

Why does chromium/google chrome sandbox have to be setuid? Should this be of concern?

I understand, basically, that you need superuser priveledges to use chroot, which sandboxes processes in a fake root directory. First, if the chroot is such an important security feature, isn't it ...
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0answers
21 views

OneDrive file security on borrowed laptop

Say I borrow someone's Windows 10 laptop temporarily, and they make me a guest account which I log into using my Microsoft account. I assume OneDrive would make local copies of all my cloud-stored ...
-3
votes
1answer
27 views

how to block access to all ports except certain ones in Windows? Settings locked down by admins [closed]

I want to block all ports on my computer except ones used by applications that I use, blacklisting anything else. Firewall settings are locked down and I need access to a portable application. Minimal ...