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

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Encryption and Decruption with GPG

A friend and I have a bunch of files that I encrypted stored on google drive. The issue comes up that he can't decrypt anything there. The steps I've taken thus far are 1.) Encrypt the ...
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0answers
29 views

What can I do without admin privileges?

This is a question about security. What can a process without admin privileges do for an OS X (or any other UNIX computer). I'm asking this because I want to try untrusted apps and I thought that ...
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1answer
24 views

Online scanning of a large file for malware/viruses

VirusTotal has a limit of 128MB per file scanned. I need to scan an executable file that is a little over 200MB. Installed virus scanner claims it contains malware, but I question if it is a false ...
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0answers
16 views

Website failing to acquire proper permission to write to a folder under Windows 2012R2 with IIS 8.5 even though 'IIS APPPOOL\PoolName' is set properly

I am having specific issues in regards to IIS 8.5, Permissions, and Auditing. I have a PHP application running under KanboardPool identity and I've properly set permssions on the application 'data' ...
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0answers
11 views

Cookie warning blocking extensions - security concerns

Since I am not a big fan of the EU Cookie Regulations I would be willing to try one of the few browser extensions available, like CookiesOK, or I don't care about Cookies that block the omnipresent ...
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0answers
19 views

Can't find my security key for my lenovo [on hold]

How do I find out my product key for a Lenovo laptop? My husband changed it and forgot to tell me when he moved out.
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3answers
34 views

A way to trigger an SELinux policy violation?

I'm studying the basic workings of SELinux and would find it useful to trigger a denial. My test machine is running CentOS 7, it's a basic server install without any extra services, and getenforce ...
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1answer
32 views

Are the passwords for Windows user accounts encrypted using 128-bit AES? [on hold]

I am referring to Windows 7/ Windows XP. Once a user account is locked (windows key + L)/ or logged off, is there anyway to get access to the users' files? Or anyway possible to break into the ...
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1answer
39 views

Easiest and most convenient way to allow secure guest wifi connection [on hold]

I want to allow my clients who come to my store have access to my wifi. I want to let them use my wifi internet, but I want it to be: Super easy to connect, something like WPS, but WPS is not an ...
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4answers
28 views

Restricting SSH Access to Amazon EC2 Instance

I am preparing to set up an Amazon EC2 instance. It will be a testing and development machine to allow me to put PHP, Python, etc scripts on a server without being tied down to a local machine. ...
2
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1answer
33 views

Taken to random websites when clicking on links

My girlfriend was browsing the web last night on this wireless connection and clicked my Google home page, only to get the ''Untrusted site'' page. I then went to yahoo.com and clicked on the youtube ...
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1answer
601 views

What makes Kali Linux different from other Linux distros for it to be used exclusively for hacking and penetration testing?

I have been asked to first start using Kali Linux and get used to the bash before doing anything in hacking. I was wondering what is so special in Kali Linux that I cannot do on Ubuntu or any other ...
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1answer
19 views

If I can get access to the whatsapp backup files saved on my phone and delete those will I be safe from hackers trying to retrieve my messages? [closed]

My whatsapp was hacked and the hacker had the contact name as saved on my phone along with the messages that were sent and recieved. Can I avoid this by deleting my conversation along with the backup ...
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0answers
39 views

How can I tell which hive specific registry keys belong to? [closed]

I am currently trying to make the most secure computer I can. One that is immune to both viruses and the stupid ass kids at the centre fucking it up..... again -_-. I am using the inbuild ...
2
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2answers
30 views

Securely delete a file in Ubuntu?

I have been reading about government standards for secure data erasure by overwriting the file location with random data [wikipedia: data erasure standards]. I am wondering if Ubuntu's default Delete ...
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0answers
26 views

How secure is it to use a image of an prebuilt Operating System? [closed]

I've bought a Banana Pi (single-board computer) (with ARM-CPU) to learn more about Linux/(L)ubuntu. I read that closed-source or prebuilt Software is problematic in terms of privacy/security. I ...
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2answers
35 views

Best way to secure RDP connections WITHOUT VPN?

We are needing to use RDP for a client, but the VPN and internet connection is just too flaky to use VPN anymore. VPN is NOT an option anymore for us. Currently the plan is to open a bunch of ports ...
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0answers
38 views

Does connecting to a VPN always provide a secure environment over unencrypted WiFI connections?

Sometimes I have to use public WiFi connections. I always connect to a VPN thinking it will provide the security of encryption. However, I don't know any details about how the VPN I use is ...
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2answers
40 views

Eset Smart security finds my hosts file as threat and quarantines it

Everytime I edit my hosts file, Eset Smart security finds my hosts file as threat and quarantines it. It says the host files is a Qhost trojan. What should I do?
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1answer
46 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
22 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
29 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
45 views

Credible sources to download TrueCrypt 7.1a [closed]

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
9 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 ...
2
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1answer
18 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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0answers
25 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
32 views

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

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 ...
73
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2answers
8k 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
34 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 ...
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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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1answer
38 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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3answers
79 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
20 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
24 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 ...
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1answer
49 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
34 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
49 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
13 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
48 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
10 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
19 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 ...
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0answers
14 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 ...
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1answer
36 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
66 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
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1answer
69 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
65 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: ...
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1answer
26 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
33 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
23 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 ...