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

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13 views

How can I run an EXE from a Network Share?

I have the network share \server\me mounted as H: There are executable in directories there. I try to run them in cmd.exe H:\somedir>program Access is denied. I've read that it is possibly ...
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3answers
20 views

Intrusion is possible through firmware signature file

I have a small NAS system and recently i got a firmware to upload the features. I have one image file and a signature file. I just trying to edit the signature file and append some junk character ...
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1answer
26 views

how do I copy these files with access denied?

I had to reformat my computer but I backed up all my data onto a hard drive. Now some of the files that I backed up are getting access denied when I try to put them back onto the new OS. How do I get ...
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2answers
38 views

Credible sources to download TrueCrypt 7.1a [on hold]

As the official developers of TrueCrypt discontinued the software and left the following messages on the official website WARNING: Using TrueCrypt is not secure as it may contain unfixed security ...
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0answers
12 views

How to disable deleting pages from PDF file while keeping rest editing options in adobe acrobat

Several users are adding PDF images via acrobat reader import option, and for a reasons i want them to keep adding while disabling the delete button, any solutions via acrobat or any other way?
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0answers
7 views

Newly generated pgp keypair missing from Portable PGP

I have a USB drive with Portable PGP on it and have used it for quite some time with no issues. I generated a new key-pair the day before yesterday in order to secure a new account with 2FA ...
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0answers
23 views

The name of an old application [on hold]

I once had that that tiny application that create a standalone command line application that has all the files that you want to hide, then asks you for a password to extract its content when you run ...
2
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1answer
17 views

Linux bootup only with USB dongle

I am currently trying to figure out if there is a way to make Linux only boot if a specific USB dongle is present in one of the USB ports. I tried to find a solution on the internet but couldn't find ...
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26 views

Hiding OS with TrueCrypt, some questions

I'm thinking of using "Hidden OS", but I have little information about it, and wanted help to clarify it if possible to use it to do what I want. I will use TrueCrypt, (which for me is the unsurpassed ...
3
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0answers
21 views

Does increasing the complexity of a PSK passphrase mitigate the risks of WPA-TKIP?

I'm responsible for configuring a small business network (50-60 devices) and we have some ancient devices that must connect wirelessly to the network. Our regular wireless accepts AES WPA and WPA2 ...
3
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1answer
28 views

Why is HTTP Negotiate authentication so restricted in Firefox? [on hold]

According to Microsoft, the Negotiate method of HTTP authentication, is the "strongest (most secure) available protocol" Yet browsers like Firefox require you to add a special exception in ...
68
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2answers
7k views

What makes Secure Login (CTRL+ALT+DEL) Secure?

I was reading about enabling CTRL+ALT+DEL as a security measure when logging in. My question is, what exactly is secure about it? What goes on "behind the scenes" that makes it safe from viruses and ...
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0answers
14 views

How do I remove the notification “You have granted access to your account to xxxxxxxx@gmail.com”? [migrated]

I have a primary GMail mail account (e.g.; Private@gmail.com) which I use to communicate with my close friends and family members, to which my Youtube account with a lot of personal and ideological ...
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1answer
22 views

Chrome complains about HSTS

As of April 13, navigating to Facebook returns a giant red padlock with a NET::ERR_CERT_DATE_INVALID response. Like, a really big padlock. The error message seemed descriptive enough, so browsed some ...
1
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0answers
19 views

How can I make an iframe security error occur in IE? [migrated]

A user of one of my websites is reporting an alarming-looking frame content error on a page that embeds Google Maps. I have played with the security settings in IE9, IE10 and IE11 but have only been ...
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0answers
15 views

What are the default ACL permissions for administrator user folder under Server 2008 R2? [on hold]

I have noticed I am able to delete some files from administrator's account user folder under C:\Users(adminfolder) as a regular user (belonging to Users group). Checking the Security tab, I notice ...
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1answer
28 views

How does Trusteer Rapport install itself in all my browsers?

Like so many people, I am forced to install Trusteer Rapport to use the online platform of my bank. I ran the installer and now Trusteer Rapport is installed in all my browsers: Internet Explorer, ...
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0answers
9 views

Cable free laptop and tablet locking solutions [closed]

Does anyone know of any cable free security solutions for laptops or tablets ? I display tablets and laptops at trade shows and want to be user friendly with my product. I hate the restriction from ...
1
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2answers
63 views

What causes CTRL-ALT-DELETE to be enabled on a non-domain-joined system?

Recently, on my personal laptop running Windows 7, my login screen turned into a CTRL-ALT-DELETE secure login screen. I've looked around for reasons why this might be the case, and the only indication ...
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0answers
14 views

Snort alerts analysis (web interface)

I have a question about Snort (or maybe any other IDS/IPS, any working solutions would be ok). The goal is to set up some web interface providing a way to view the whole TCP stream packets of each ...
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2answers
19 views

Problems starting Suricata on Mac OS X

I am trying to start Suricata 2.0.7 on Mac OS X but am having issues. Any idea what’s wrong and how to fix it? Here are the errors I am seeing: $ sudo suricata -c /etc/suricata/suricata.yaml -i en2 ...
1
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1answer
44 views

How to add a free-wifi hotspot to an existing private network

I'm tinkering with IoT (arduino + wifi shield) and I'm also for an open (read free) internet. Both these things would be helped if I could create a free (no password etc.) wifi hotspot (my IoT ...
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1answer
33 views

Strange user in my External drive's Security Properties

Here is the image showing the odd user in my External drive settings. Its only inside my external drive. Not my main one. What does this user represent? More confusing stuff inside external ...
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0answers
38 views

Will cutting the ground cable of my desktop's front panel USB conector fix heaphone noise w/o adverse effect?

The headphone port (3.55mm jack) in my desktop's front panel produces static noise when the USB 2.0 port next to it is connected to the motherboard. According to this answer, you can solve this by ...
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0answers
12 views

How do I restrict Bluetooth before logging in or when locked?

I'd like my computer's Bluetooth to be disabled before logging in. My Android phone keeps itself unlocked if connected to my computer's Bluetooth, so if someone turns on my computer, they could unlock ...
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1answer
39 views

Thunderbird Certificate Alert keep popping up

I'm having the issue in the title since months now and is driving me crazy. I keep getting this warning: which translates to Add Security Exception You are going to modify the way ...
0
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1answer
6 views

Using chuser and stopudt without root

I am trying to create a user account that can preform certain commands via command line without having to login as root. The commands I want to run are stopudt, chuser, chpasswd. What I have tried is ...
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0answers
16 views

How do I password protect usb boot?

I want usb booting to still be allowed but only with an admin password. I found out this is possible from trying to usb boot a live usb of linux on a school computer but it required the admin ...
0
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0answers
11 views

How to freeze chrome browser settings?

Some weeks ago my mom's computer got Rts.dsrlte.com Browser Hijacker problem. I wasn't at home and only today I got to fix it after changing the browser settings. I don't know how that malware got ...
0
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1answer
32 views

Some images do not load in chrome, content security policy

So my chrome has been throwing errors on common websites: Refused to load the image 'http://images.craigslist.org/00u0u_xlyBmVuxhm_600x450.jpg' because it violates the following Content Security ...
0
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2answers
44 views

Is “guest network” feature on ASUS routers safe?

My ASUS RT-AC68U router has an option to enable a "guest network". I'm curious how "safe" this is. The config page claims that it only allows traffic through to the internet, so I assume it physically ...
2
votes
1answer
58 views

My home IP (supposedly) was involved in a DDoS attack

There did not seem to be any SO community dedicated to computer security, so I'll ask here... As the title implies, my home IP (supposedly) was involved in a DDoS attack. I got a phone call from a ...
2
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1answer
50 views

What are the best wireless security settings for my router

I am using older SOHO router wl500gP (it is v1 but I think this is not important) with custom Oleg firmware which allows me to use one of the following "Authentication Method": Authentication Method: ...
0
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1answer
23 views

How to classify a share on a server as local network (to avoid loadFromRemoteSources)

I have an (.Net 4.5.1) application that is often run from network shares (i.e. \\server\someshare\application.exe). Unfortunatly this does not always work unless I add the line ...
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0answers
25 views

Downgrade from one non-superuser to another?

So I have a master process running as, say, user. I want user to spawn child processes under users named subuser1, subuser2, and subuser3. I can do any configuration under root needed, etc, as well ...
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0answers
20 views

Risk behind weak password policy [closed]

I have a bit an unusual setup: I am a bank with systems, that are not accessible from outside (no direct internet access). To get access to those systems, you first have to physically enter the banks ...
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0answers
19 views

Do modern browsers automatically remove '..' from an URL?

I'm building a barebones server in Node. I have heard about 'Directory Traversal Attacks' where a user visiting the site can navigate to files stored on the server than aren't supposed to be served by ...
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1answer
41 views

How and where does Chrome fetch the history when it’s in incognito mode?

I often visit/browse websites in incognito mode of Chrome. Chrome doesn’t save the history, cookies while in Incognito mode. But recently I noticed I can view the full website address while I type ...
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1answer
16 views

chrome copy paste of URL with german umlaut changes characters

I am using chrome 41 on Windows 7 (classic theme). In chrome i have this url http://www.faszinationtür.de/images/PDFs/prospekt49.pdf open and copied it to the clipboard the result is the following ...
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0answers
29 views

Why do I have all these events in my Windows security log? [duplicate]

I just checked the Event Log, and I've got tons of these "Logon" and "Special Logon" events, occuring every 5-15 minutes: They all seem to be the same. This is a Logon: Log Name: Security ...
0
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1answer
46 views

Changing UAC settings for a standard user

I was wondering if there is a way to change the use account control settings for a standard user in win 8. As an admin I can change my own settings to "never notify" but whenever other users try to ...
0
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2answers
33 views

Is it possible to decrypt files which were encrypted by gpg with a very strong password?

I have encrypted my important files by gpg with a 32-length password, includeing upper-case characters, numbers and some special characters. I have stored them online so they can be download by ...
0
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1answer
42 views

Windows 8 keeps asking for Admin password for one specific program

I am admin of a Windows 8 PC. I turned UAC off so other users can open programs without my permission and it works perfectly for all the software, however there is this one program (Backgammon ...
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0answers
18 views

How to merge modsecurity rules?

I have this rule: <Location /login.php> SecRule REQUEST_URI "@contains login.php" "phase:5,chain,id:981218,t:none,log,pass,msg:'login attempt for user %{ARGS.loginId} ...
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0answers
33 views

Locate stolen surface tablet

Similar to this older question Does Windows 8 Surface support stolen device tracking?, but I'd like to locate my already stolen tablet, and the reason I have some hope is... When I viewed my ...
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0answers
28 views

CentOS 7 vulnerabilities

I installed CentOS 7 and I am requested to update some packages due to some vulnerabilities. I can see there are updates for RedHat, and it looks like I can also use the RedHat Network, but I have no ...
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1answer
94 views

Is it safe to use TOR on windows? [closed]

I mean, can I be hacked just by browsing regular sites (not the hidden services) with TOR browser bundle running on a Windows system?
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0answers
66 views

After following multiple guides on disabling sslv3 still vulnerable

I have followed many guides on how to disable SSLV3 such as https://scotthelme.co.uk/sslv3-goes-to-the-dogs-poodle-kills-off-protocol/ added the two registry keys for SSLV3 server/client also chrome ...
48
votes
2answers
5k views

What do you do if you are being hacked by something coming from a supposedly legitimate IP address such as from Google?

Earlier today I was prompted to use a CAPTCHA—because of suspicious search activity—when doing a Google search, So I assumed either a PC on my network had a virus or something. After poking around I ...
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0answers
12 views

'User' folder not opening on external hard drive due to security reasons [duplicate]

I am running Windows 7 Ultimate 32-bit. I moved my internal hard drive to an external one and installed a new drive in my laptop. After connecting the external drive to the laptop, it opens the ...