Security in terms of "computer security", such as protection of information, protection from theft or data destruction.

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Selective USB blocking

I would like to control access to USB ports on our network. We have operational USB devices connected to all PCs on the network, so I am not looking at simply disabling all USB ports functionality. ...
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16 views

can an android device be in danger on a malicious site? [migrated]

I accidentally went onto a site via Google images and went off after half a second, (the page had been quarter/half loaded. I accidentally hit the undo button and it opened again, and I closed it ...
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1answer
35 views

How much dangerous rm -rf is?

Does rm -rf dir/ erase filesystems mounted below dir/ (say in dir/a)?
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21 views

How to block spambots and questions about security on a VPS

Is it normal to have many many lines in /var/log/kern.log about UFW block? For example: Aug 29 22:13:13 myvps kernel: [1980808.931708] [UFW BLOCK] IN=venet0 OUT= MAC= SRC=60.173.8.240 DST=me ...
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1answer
28 views

Linksys' incoming log…do i have an intruder?

My Linksys administration tab where logs are located shows a total of 12 incoming connection entries. Some of these addresses say they're in china when i google them which exponentially increased my ...
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1answer
9 views

Gemalto Smartcard change Admin Key

We are using Gemalto IDPrime smartcards for Windows Logon. The user can change their PIN number but using the Gemalto Mini-Driver Manager anyone can change the users PIN by logging in with the ...
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4answers
2k views

What's the responsibility of an IPv6 owner?

Living behind a consumer-grade router for the memorable past, I guess I took the side-effect of NAT for granted, in that I had the burden of forwarding ports when I needed to, instead of have to ...
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1answer
29 views

Locking and Terminating User Sessions via Group Policy settings

To conform with some new security requirements, my company is implementing Group Policy solutions to existing security vulnerabilities. My current assignment is to find and implement Group Policy ...
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2answers
36 views

Why does blocking DNS traffic to 192.168.. cause a “limited” connection with the router?

I am trying to close all unnecessary ports/addresses with my firewall. If I block traffic from 192.168.. to 192.168.. destination port 53 I get a "limited" connected with my DSL router. If I ...
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1answer
16 views

Filtering who can connect to me via ssh

I want to access my home pc from my laptop. This will make working on projects while in university much easier (and a whole bunch of other things) I've successfully installed ssh and ssh-server. I ...
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2answers
59 views

Can I trust password manager software?

I'm considering downloading a password manager so that I don't keep forgetting my passwords. The problem is, how do I know that the password manager itself is both hackproof and trustworthy, i.e. no ...
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1answer
25 views

Where 'SYSKEY' password store? and what kind of algorithm it use to encrypt the passord?

As far as I know Windows store user-acconts passwords in SAM file under Windows\System32 and it use NTLM algorithm to encrypt it! As you know we can set another password for windows (not for ...
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1answer
44 views

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

I work at a large university and have a computer supplied by my employer. There is apparently some sort of remote management that the help desk can use if I call them and accept their request to log ...
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19 views

Removing Java Security Prompt

I installed the software Action(s) on my Windows 8 machine but the annoying Java security prompt Window will not stop showing up when I launch the application: The Java Control Panel also resets my ...
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1answer
56 views

if I use https, can someone (who monitors my wifi) see what I am doing? [closed]

I use a public wifi. I wonder if someone would be able to see what I am doing over the internet when I use https. And for plain http? What could I do to be safer? Using tor? But what about the other ...
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0answers
34 views

Self Encrypting Drives - is it possible to bypass ATA password?

I am using TrueCrypt but I want to buy SSD with SED, it's Samsung 840 Evo. After firmware upgrade it "supports advanced data security features(TCG/Opal and IEEE 1667)". If I set ATA password, would ...
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1answer
20 views

Security in a Word with password

How secure is a word document if I put a password to open it? I suppose is more save to put information in a note of Apple Keychain or 1Password, is that correct?
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4 views

Possible to use IRM server with a live Powerpoint demonstration?

I have a presentation where I'd like to live-stream the contents (like Microsoft Powerpoint online presentation services) however I also don't want people to do screen captures (like IRM server) I'm ...
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25 views

In Windows 8.1, how to know if Early Launch Anti-Malware (ELAM) will work with the Anti-Virus Program?

When looking up about security in Windows 8 / Windows 8.1. I read here http://technet.microsoft.com/en-gb/windows/dn168167.aspx (Securing the Windows 8 Boot Process) that Early Launch Anti-Malware ...
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1answer
11 views

How to merge several detached signatures from different people into one?

A group of people wants to publish a file and they all want to digitally sign the file as different recipients of the file will have different chains of trust. For simplicity, it's desired that there ...
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15 views

Can an application with a digital signature be forged?

We recently inherited a legacy application however the installation file seems dubious however having checked it's digital signature, validating it against the Virus Total database, it appears to be ...
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0answers
13 views

Local Network Addresses Visible to ISP

While I was on a support call with my ISP, their network engineer started listing IP addresses that were visible to him on my local network. He was right on the money as far as IPs that were up. I'd ...
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2answers
23 views

Do I have to export public GnuPG keys as well when exporting the private ones?

I created my GnuPG keys. They show up in my keys repository. Now I want to export my secret key and import it into another computer so I could use it on that computer (for example my laptop). Do I ...
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69 views

OpenVPN security, authentication

I would like to know if this config can be enhanced, in particular i wanted to ask if OVPN certificate-auth can be considered somewhat secure'ish ... ? For example : would any client be able to ...
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10 views

Resolving “JBoss Web Console is Accessible to Unauthenticated Remote Users” vulnerability

Our security team has determined there is a vulnerability in one of our systems. We are using version JBoss 5.1.0GA on RHEL 5.10. Vulnerability description: JBoss Web Console is Accessible to ...
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1answer
25 views

401 unauthorized page displays server info. Is this a security issue?

I have password protected my /administrator directory but when I press cancel the site displays a 401 Unauthorized page Unauthorized This server could not verify that you are authorized to access ...
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1answer
67 views

Is UEFI more or less vulnerable than Legacy BIOS?

Is UEFI more secure than BIOS on a Windows 8.1 machine? Is UEFI vulnerable to malware in ways that Legacy BIOS is not? Is it correct that UEFI can connect to the internet before the OS (or ...
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2answers
23 views

Where Does One Find Logs of Pentesting Tools on Windows

I'm scanning my Windows 8 machine with Nmap and OpenVAS (from a different machine on my LAN and another one over WAN) and I'm looking for logs for the occurrence of such events in the Event Viewer but ...
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28 views

Terrible experience with a proxy server

I have a static IP provided to me by my ISP. I was trying to use this static IP when I'm outside my home to access some restricted areas on my website. So, I decided to setup a proxy server on one of ...
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3answers
61 views

If someone not in wifi distance has my wifi password, is it a security issue?

Visitors to my house always ask for my wifi password which I give them. Now say they travel to another country, and say they have a smart phone that has an app that uploads wifi related information ...
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4answers
98 views

Avoiding users to corrupt and use a script

Is it possible to deny the right to copy files? I have a script which should be executable by others. They are also allowed to read the file (though it would not be a problem to forbid reading). But ...
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15 views

Have I misconfigured xrdp? My setup has a security hole

I'm using xrdp/Xvnc to connect to a CentOS 6.5 VM. I don't know whether I've got something wrong with my configuration or whether I've stumbled upon a security hole. My xrdp.ini file contains ...
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How to find out why McAfee deems my web site a “security risk”?

I work at a company where we have a web site developed in ASP.NET which works well and our customers are happy with it. Recently, we have been getting some reports from users that McAfee antivirus ...
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22 views

Why can`t we treat SSL Certs like Pgp keys instead of trusting CAs?

I am dumb and stupid and I do not know all the technical aspects of SSL and server/client side implications and implementations. However I understand them good enough from user point of view to use ...
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1answer
22 views

Safety of “Secure File Deletion” in CCleaner

Please mind that I'm a dilettante and tyro about computering and Ccleaner (tendered here). The official https://www.piriform.com/docs/ccleaner/ccleaner-settings/changing-ccleaner-settings, says ...
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1answer
33 views

How to determine if / ensure that a second-hand storage device is safe to use?

I am going to buy a SSD from someone who works in the same company, but even so is a complete stranger to me. Maybe I am a little paranoid, but is there a way to check if it is safe to use? Or is ...
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37 views

How do I completely remove Wondershare Allmytube from Windows [using Farbar Recovery Scan Tool]?

Windows 7 Enterprise x64 So I made a mistake and ran a dubious executable program downloaded from the internet. I was making a dvd and I didn't know how to download videos from funnyordie.com, so I ...
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28 views

After deleting all my cookies I'm still logged in my google account

I'm using firefox in private navigation. I connect into my google account then I delete all my cookies and then I'm still connected into google. Why is this so ? If I delete my cookies and ...
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1answer
72 views

Why is someone else's PC listed in “Network”?

While looking for some files recently in my laptop, I noticed JOHNDOE-PC listed under "Network". John Doe happens to be a researcher in a university I am involved with, who I used to interact with ...
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13 views

Unix Multi-Group Permissions

I am trying to do permissions to a folder for multiple groups, each will have different permissions to the directory. Can you let me know how to do this without editing the ACL's? Group 1 RW Group 2 ...
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50 views

Troubleshooting Land Attack - Process monitor

I'm trying to find the real issue behind our Cisco ASA firewall log: Deny IP due to Land Attack from WAN_Web to WAN_Web. We're getting them every 5 or 10 min, so it will be nice to get rid of them. ...
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36 views

How to protect (prank from) an unlocked computer [closed]

I've set myself up as a target at work by being big on security and "encouraging" my co-workers to lock their computers. I've done the usual stuff, changing mouse cursor to loading indicator, their ...
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1answer
111 views

Ghost typing — has my Mac been hacked?

Got a good fright this evening; desperately need help: On my Mac (OSX Mavericks), I suddenly saw the following text typed into the Chrome address bar: do you like me hey It did not come in all at ...
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1answer
9 views

PKCS12 key from Winserver2008 cert authority

I have created a standalone cert authority in windows server 2008. I can use certreq (from that same box) to generate a cert with the appropriate CN, etc, and ensure that the private key is ...
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1answer
15 views

Stop microsoft-ds from responding to hack attempts

I have file sharing and "Client for Microsoft Networks" turned off on my machine (via the Network properties), yet I find that microsoft-ds (directory services) is still listing on ports 445 and 123, ...
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1answer
24 views

Why does Microsoft Word open Word 6.0 Binary Documents and Templates in Protected View by default? Is there a reason I shouldn't turn that off?

I have a .doc file which, because of the format it's saved in, Word 2013 opens in Protected view. I can't edit, save, or print it: I would like to do at least one of those things with this file. I ...
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47 views

Why is 50.22.53.71 hitting my localhost node.js in an attempt to find a php setup

I just created a new app using angular-fullstack yeoman generator, edited it a bit to my liking, and ran it with grunt on my localhost, and immediately upon starting up I get this flood of requests to ...
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29 views

Reset Windows 7 Local Security Policy

Is there a way to reset the Local Security Policy on Windows 7? I found how to reset the GPO but not the local. The system is acting weird to where even if you are a Admin you can not uninstall or ...
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8 views

Windows / Print Drivers / Security Context Principal

Forgive me if this question seems a little "under the hood", but I think it's important to know from a security point of view. I see SPOOLSV.EXE runs with print driver DLLs (Type 3 - User Mode, I ...
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18 views

When you log into MySQL is the password encrypted?

I'm using an insecure wireless network (because the secure network is currently down). I wanted to know: When you log into MySQL, does the client program encrypt the password before sending it? ...