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

learn more… | top users | synonyms (1)

0
votes
1answer
30 views

I think somebody has access to my computer

Yesterday I received emails from Origin (EA) saying that my password, email and username were all changed. Not having done that myself, I reverted the changes, called EA security, set up a 2-step ...
0
votes
1answer
12 views

How to check for malicious DNS records?

A router under my control has been compromised, and the attacker has changed the router's primary DNS server to one that I haven't seen before, and it does not belong to any ISP's. I'm guessing this ...
0
votes
1answer
21 views

Protecting my PC in unknown WLAN/LAN networks

I once read in another thread on superuser that PCs in a network could try to acess services running on other PCs in the same network Is it considered to be safe enough to enable ufw and deny all ...
-2
votes
0answers
23 views

Why do some sites that offer OAuth still require a password? [on hold]

I'm looking for an actual technical reason why the security offered via a OAuth provider (Google, Facebook, etc...) would not be sufficiently secure for authorization purposes. What is gained on a ...
2
votes
2answers
42 views

Why is my computer listed twice in my network on two different ip's one ending in .255?

My computer is listed twice on the network (same MAC address and description) with one IP ending in .255, which leads me to believe I may being spoofed. Is this route table unusual? I'm not ...
-4
votes
1answer
77 views

A hacker changed my website's hosting password [on hold]

I'm developing my own website from a template I bought from HTML5UP, my web is still under construction, but it is uploaded to my server for testing. First suspicions things happened just after I ...
0
votes
2answers
39 views

It it possible for a MitM attacker to know when a browser has gone into incognito mode?

This may be better suited to security, but since it's about a specific feature of software, I thought I'd ask here. Lets say that I am viewing a website, and I open a tab in incognito mode (unless ...
1
vote
0answers
73 views

How do I stop a simple DDOS attack? [migrated]

There is a hacker who is mad at us, and has started a DDOS attack against us. I think he is a script-kiddie, using tools like DarkComet; the attack is probably simple. I host a server on my PC. The ...
0
votes
1answer
23 views

Need local security rights on Windows 8.1

A program I am trying to install (Hazus 2.0) requires the following: "Confirm that the user account that is running the setup (in addition to having admin rights) has the following Local Security ...
2
votes
0answers
26 views

UAC settings are automatically disabled at least once a day

I have a weird security risk that I have submitted to our IT Operations without any luck; at least once a day, our machines running Windows 7 and newer has the UAC settings disabled, and we discover ...
-2
votes
0answers
34 views

Can a System Repair Disk “user account” access any file?

I want to create a simple disk image using a System Repair Disk by simply copying all files to another disk. But can it access all files? I know that when I try accessing the Recycle Bin file on an ...
-3
votes
0answers
48 views

Samsung Galaxy Core Prime has been hacked [closed]

I'm pretty sure my phone has been hacked. If it is, then that must mean so is my email and everything else. Also I'm pretty sure I know by who. This has happened before. I have an antivirus on the ...
1
vote
0answers
14 views

Route only HTTPS Connections through TOR

I want to create an tor router on my network using an extra computer I have (2011 Mac Mini). Since the exit node can read/modify traffic that is not end-to-end encrypted, I would only like to route ...
-1
votes
0answers
21 views

can I see device browsing history in the server?

My question is that is it possible to see our browsing history in the server, or can the service provider when he/she logs in to my account view the devices that are connected and the URLs that the ...
1
vote
1answer
25 views

How to allow user to access only his personal directory when his group has access to the whole disk?

I want to disallow a user to access to disk D: except his personal D:\Documents folder. The user belongs to Users group. I don't want to restrict the whole Users group so I should somehow create a new ...
0
votes
1answer
51 views

osx - how to programmatically disable USB ports

I'd like to programmatically block, disable or (better) power-off USB ports on my system. The closest thing I found that resembles or provides such similar control is vmware-usbarbitrator on a guest ...
0
votes
3answers
37 views

Why use codes for login names [closed]

I consult to many companies and I notice that some of them use codes rather than some variant of the user's name for their Windows login ID, e.g. u54aju or k56743... What is the reasoning here? ...
1
vote
2answers
743 views

Firefox 39 - Secure Connection Failed - weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message

As of Firefox 39, connecting to an old administrative interface for some third party software gave the following message: Secure Connection Failed An error occurred during a connection to ...
0
votes
0answers
13 views

Default “connect automatically” to disabled for new wireless networks

I'm using Gnome NetworkManager and I don't want my wireless attempting to connect automatically to any network. For an individual network to which you have already attempted to connect, this is easy ...
0
votes
0answers
41 views

How do I change my IPV6 adress and protect myself from DDOS attack?

So recently I accepted a random person on skype, this person started DDOS'ing me (atleast I think this is what itis) the person told me he was gonna DDOS me. The first thing I did was removing him, ...
0
votes
0answers
25 views

Why does GParted make my flash disk bootable? If not malware then what?

I did sudo dd if=/dev/zero of=/dev/sda where /dev/sda is my flash disk. /dev/sda was all zeros after this. Then I created a partition table with GParted on the flash disk. I made no other changes. Now ...
0
votes
3answers
69 views

How to accept insecure connection in Firefox 39+?

When I try to open a webpage, I get an ssl_error_weak_server_ephemeral_dh_key error in Firefox. According to my googling the keys are weak, there is a security hole, I'm not safe, etc. Great, Firefox ...
0
votes
1answer
19 views

apple store showing different page in wget

istore.apple.com live url is different that url which is downloaded using wget Open this url in browser https://itunes.apple.com/us/genre/ios-games-action/id7001?mt=8&letter=A You will see ...
0
votes
1answer
28 views

WIFI printer, network security

I have two printers that were connected using the WPS method. I want them to be security restricted but I am unable to stop them being accessed by other people on the network. The computers are all ...
1
vote
2answers
65 views

Is FTP on router secure?

I am using a 2TB external hard drive connected to an Asus RT-AC87U. The router can be accessed from the internet over FTP with the right username and password. My question is, that how secure is ...
0
votes
0answers
33 views

Linux full disk encryption passphrase in sync with local user password

I'm trying to setup a Linux FDE where the passphrase is in sync with /etc/shadow file, similar to Mac's FileVault which uses the user's login password as the encryption pass phrase. Is it possible to ...
0
votes
1answer
23 views

How can I export the javascript whitelist from Google Chrome?

For security reasons I have Javascript disable in Chrome and I use a whitelist of my "trusted" sites. So If I'm surfing the web and I visit a site that is trusted to me then I add it to that list. ...
2
votes
1answer
19 views

Is using an open public wifi network more insecure than using a password protected public wifi network?

I'm at a coffee shop and it is offering Google wifi for free. It does not have a password to authenticate. Is this network insecure? More technically, does a wifi network with WPA/WPA2 password ...
0
votes
2answers
84 views

How can i bypass/protect myself from ransomware like ctb-locker? [duplicate]

Recently while using my system for testing I got my machine infected with a malware, My system gets displayed with the following screen : While browsing internet with screenshot i found that its ...
3
votes
2answers
158 views

Should I allow unknown host key when using SFTP?

I've switched from FTP with TLS to SFTP and now a dialog appears when I try to connect saying Unknown Host Key for www.example.com. Then it presents two options Deny and Allow. What does this mean? ...
39
votes
3answers
4k views

How secure is the Windows clipboard?

I've been using the Windows clipboard as a method of getting passwords from Lastpass into desktop applications. I've been wondering exactly how secure is this? Can't any program access the clipboard ...
2
votes
2answers
24 views

Advantages of Multi-Tier and Multi-box firewalls? [closed]

I'm currently doing a University project and am having trouble getting my head around a few concepts. One reason is the looseness of terms in IT, with network tiers referring to several things ...
1
vote
0answers
22 views

Windows: Stop users from deleting files NTFS

I've changed the NTFS permissions on a folder called share1 that means users from group 'nodelete' do not have permissions 'delete' or 'delete subfolders and files' This seemed to work OK, except one ...
0
votes
0answers
35 views

Fast disk encryption on Raspberry Pi

I need to have a trivially encrypted disk on my Raspberry-based server. As far as I know, Raspberry Pi doesn't have any hardware AES encryption. That means, the standard disk encryptions are awfully ...
1
vote
0answers
29 views

Can I rely on TRIM to destruct data after file deletion?

I have a broken laptop that I want to return and I have some passwords already stored for it in the browser. I can delete the (Firefox) files that contain this data. Can I rely on TRIM to destroy the ...
0
votes
0answers
24 views

Microsoft account password change security issue

Recently I detected malware on my windows 8.1 pc which included: password fox browserpassview mailpassview passview installeRex dialupas netpass I removed these using my anti-virus tool and I ...
0
votes
0answers
19 views

Allow to load insecure scripts for one specific website?

Often when I browse SE, a YouTube video is being embedded. Unfortunatelly, my Chrome doesn't like videos on a text based website, so it shows me the "whoopsie" icon where I have to click to load the ...
0
votes
4answers
29 views

Data security during laptop repair

Recently bought a new laptop with an extended warranty. Wondering if when a laptop needs to be sent in to the manufacturer for a repair (specifically a hardware repair), is it ok to remove the hard ...
-1
votes
0answers
23 views

Give a right to domain user to manage his system's firewall [migrated]

How can a we give a right to domain user to manage his system's firewall? We're having a Windows setup, and using Windows Server 2012 for managing domain group policies.
-1
votes
0answers
27 views

Is there a way to track Tor browsing activities?

I'm an admin on a Windows 8.1 computer and I want to know if I can see what another user is doing on Tor. Would I just use Microsoft Family Safety? I know that the government can spy on Tor, but can ...
1
vote
1answer
18 views

SonicWALL Net Extender, security?

I'm new to SonicWALL. How secure is the SonicWALL Net Extender? It seems to be using PTPP, but calls it SSL VPN, are they different. Am I secure? If its bad, whats better? Thanks
0
votes
0answers
21 views

How to view/monitor another WSUS server from an existing WSUS server?

Scenario: I work for an organisation which has an office in the UK and another (smaller) office in Kenya. Our UK office has a WSUS server which sends out updates to every computer on the domain ...
4
votes
1answer
63 views

Is It There Any Way To Prevent Users From Creating God Mode Folders

we were working on a small company where IT policy have been implemented with restrictions like disabling wallpaper changes etc, But recently one of my company employee have just created godmode ...
0
votes
0answers
111 views

Quirky Network Behavior

I have a situation where I have to support several remote sites, and one in particular is giving me fits. Some symptoms are: If I log the user out remotely, I lose connection to the network, even ...
0
votes
0answers
40 views

Create incremental/complete backups from a fully encrypted disk using using TrueCrypt?

I have a tricky question about whole disk encryption with TrueCrypt for which I have never found a clear answer: What method do you recommend/use for create backups from a whole disk encrypted disk ...
0
votes
0answers
16 views

Can I use fingerprint reader to login through SonicWall

One of the directors didnt know where to put his head. So he introduced new security measures. Now I have to type login and password every time I login into the office VPN (I work from home so it is ...
1
vote
3answers
40 views

How to completely erase personal data from Mac

I use browsers Firefox, Chrome and Safari, personal data such as passwords are stored on them. Passwords are stored in Mac Keychain as well. What is the easiest and reliable way to completely and ...
0
votes
0answers
32 views

Enforcing RC4 cipher and testing enabled ciphers with OpenSSL

I am trying to enable and enforce the RC4 cipher on Apache 2.4. I checked the Apache SSL HOWTO. It says the RC4 cipher can be enabled in the two ways below: SSLCipherSuite ...
2
votes
2answers
1k views

Bypass Windows 10 UAC “This app has been blocked for your protection.”

I ran into this problem when trying to install the USB (MTP) drivers for my Samsung Galaxy S4. Windows will not run the driver installer. It seems the reasoning is the publisher is not trusted. My ...
1
vote
1answer
58 views

Can VPN steal passwords from client?

If I subscribe to a vpn service, then use it and log in to paypal, type my password there and everything... can they see it? if i'm not mistaken the password is sent to the vpn server, and the vpn ...