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

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2
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0answers
67 views

“Windows Security” alert when moving files in My Documents/Desktop (local disk)

Every time I try to move a file to a different location in My Documents or on the Desktop by dragging it I get a "Windows Security" alert telling me "These files might be harmful to your computer". I ...
1
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0answers
27 views

Is Windows 8+ Reset the same as performing a clean install from a MSFT .iso or an OEM .iso?

Windows 8 and newer versions have a "Windows Reset" feature that reinstalls windows. The question is, does it perform the same kind of clean install that you would achieve with a MSFT .iso, or does it ...
1
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0answers
21 views

bash Segfault by infinite recursion

I just noticed that the bash I'm using (4.2.25(1)) isn't protected against infinite function recursion. In such a case a Segfault happens (and the bash process terminates). To check this on your ...
-1
votes
1answer
38 views

Is it possible I would get hacked by using DNS service? [closed]

I heard some people say, it’s possible that some hackers can access PCs while using public DNS service because they’ll be vulnerable to them. However, paid DNS service requires credentials, so it’s ...
0
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0answers
62 views

What steps should I take if a new computer got remotely compromised and I am not local to repair?

An elderly friend just purchased an HP Pavilian (Windows 8) 13-A010DX from Best Buy and was setting up his Office 365 account when he received a pop-up (from his browser, I’d presume), which stated ...
0
votes
1answer
37 views

Why does this program give a Windows 8 SmartScreen warning?

Why does this program http://creativeadept.com/download-spintax-editor/ give me a SmartScreen warning in Windows 8 when a Malwarebytes scan and Windows Defender scan found nothing? What is wrong ...
0
votes
1answer
16 views

if I turn on VPN, then type a password for LAN shared folder access, will the password be exposed?

I am not sure whether what I typed for the local network username and password would be sent to the VPN and out to the internet as well.
1
vote
1answer
99 views

How to automatically delete the original files after encrypting with GPG?

I need to use GPG on a folder with a lot of files and subfolders. I can use "find" + "gpg" for that and I can encrypt all the files but my issue is GPG does not delete the original file after ...
0
votes
1answer
54 views

Does marking files as readonly make them secure?

In Windows (or any OS, really), does marking a file as "Readonly" make it less susceptible to malware and unwanted manipulation? Additionally, should I still scan readonly files for viruses and other ...
-2
votes
1answer
32 views

password administrator in windows 7

I am in guest user and I don't have any privilege , I don't have even access to a DVD writer and I can't boot system from USB or DVD , I don't access to BIOS . please help me I want to get ...
3
votes
1answer
4k views

Disabling auto download in Safari

It seems like it's simply just enough to visit a webpage and the site can automatically start a download on your computer, no prompts, no warnings. Is there any way to make it behave like all the ...
0
votes
1answer
126 views

How can deleted files be recovered [duplicate]

Possible Duplicates: Best undelete tool for NTFS/FAT? Recover data from full format on NTFS partition How are we able to recover our files once deleted from our Recycle bin. If something ...
3
votes
3answers
10k views

Microsoft Security Essentials does not turn on at startup

Of late, MSE has stopped starting the real time protection on its own. I see the red icon in the tray. I tried to start the real time protection myself but I get an error code: 0x800705b4. I had a ...
0
votes
1answer
18 views

Mouse cursor moves and applications are opening automatically

I'm not sure what exactly happened but I've noticed that at first one user complained about his surface where just the mouse pointer started moving while programs are just opening and doing on its ...
1
vote
1answer
27 views

protect the known_host file from writing - good or bad idea?

I want to protect the known_host file from writing So I want to perform the following steps on my Linux red-hat server Cp /dev/null /root/.ssh/known_hosts chattr +i /root/.ssh/known_hosts I want ...
8
votes
4answers
7k views

Will microwaving a flash drive destroy the data on it?

After reading the answers on Permanently delete files from a flash drive, where the top rated answer was simply to pulverize it with a hammer, I wondered whether a microwave could be used to the same ...
2
votes
3answers
2k views

Memory (flash) cards secure delete (have to use algorithms or just delete?)

We all know that if you want to completely delete files from HDD, you have to use a special erase algorithm in order to make it impossible to read it back. But what with the memory cards? Do they need ...
6
votes
2answers
2k views

Does Secure Empty Trash work on Mac w SSD?

Given that an SSD does wear leveling, does the Secure Empty Trash on the menu in MacOSX really work? Is something special being done force overwrites to the same physical block of flash and bypass ...
0
votes
2answers
78 views

The folder C:\users has suddenly gone

I am using Windows 8. By using the file browser (or command line) I was able to view the list of files under c:\users\. I then tried to change to settings to be able to see hidden files so in the ...
0
votes
0answers
50 views

pfsense for its firewall capabilities on small network

I have a small home network of approximately 3 windows machines and 1 pfsense freeBSD (dell laptop): q1. The cable modem is connected to the NON-internet port of the wireless router. Is this the ...
0
votes
1answer
35 views

Lock down Windows 7?

I have a Windows 7 computer here that got infected. The computer is used by a colleague and for home use, but it's owned by the company and for problems he turns to us. He doesn't know much about ...
16
votes
4answers
30k views

Malicious “confirm navigation” dialogs?

Some sites, like StackExchange, pop up an "Are you sure you want to leave this page?" dialog when you try to leave under certain conditions, such as if you have a post you haven't finished editing. ...
39
votes
7answers
27k views

How to fix warning about ECDSA host key

I'm trying to setup password-less SSH on an Ubuntu server with ssh-copy-id myuser@myserver, but I'm getting the error: Warning: the ECDSA host key for 'myserver' differs from the key for the IP ...
2
votes
2answers
79 views

How safe is it to enable WinRM / PSRemoting on an internet-facing machine?

How safe is it to make the Remote Powershell (aka PSRemoting) endpoint of a production server accessible from the internet? We're not a bank or anything, but the server does hold sensitive corporate ...
0
votes
3answers
4k views

Where does SecureCRT save usernames and passwords?

If I check the checkbox remember my password on SecureCRT which file does SecureCRT write my username and password to?
0
votes
1answer
39 views

How to create hardware kill switch for wireless lan?

Purism laptop should have a hardware kill switch for wireless connections. "Bundling all RF, including Wireless and Bluetooth, into a single kill switch, possibly located near the right side edge ...
0
votes
3answers
1k views

How do I access a website blocked in my country?

Last year there were numerous cyber attacks on Israeli banks, so they just blocked access to all foreign countries. Is there a way to bypass that? I tried using a proxy, but it didn't work out.
2
votes
0answers
28 views

Does Keepass protect passwords from malicious software like viruses?

If a computer got infected with a virus or a trojan and the user interacted with Keepass, is there a chance that the malicious software would be able to get the password database? In other words: ...
1
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0answers
13 views

Optimal server security configuration [closed]

What would be the optimal security configuration for a production Linux server in terms of user access? Here is my suggestion: ssh authentication: yes password authentication: no root user without ...
14
votes
6answers
11k views

Wipe RAM on shut down to prevent Cold Boot Attack

My system is encrypted using Full Disk Encryption, i.e. everything except /boot is encrypted using dmcrypt/luks. I am concerned about Cold Boot Attacks, where researchers demonstrated, that content ...
2
votes
1answer
34 views

Backing up Files [closed]

I'm not even sure if this is the correct place to ask, but I need +5 reputation to ask on meta, so I figured I would give it a shot. I am new to doing computational work on my computer (OSX) and am ...
1
vote
2answers
371 views

gpg2 on Mac: How to enter passphrase on terminal instead of getting a GUI prompt?

I am using Mountain Lion and when I encrypt a file using gpg an annoying GUI prompts for me to enter the passphrase. I would like to be prompted for the passphrase in the terminal, not in an external ...
0
votes
0answers
40 views

HIPS for Linux (ie, interactive SELinux/AppArmor)

Windows has a number of programs (generally referred to as Host-based Intrusion Prevention Systems) that offer protection against difficult security threats (such as zero-day exploits) by blocking ...
3
votes
3answers
9k views

How do I deny access to everybody but me in Windows 7?

I am trying to set up a file server on my my Windows 7 Pro system at home. I set up one common "Share" folder that I have shared/published. Within the share folder I want to have individual folders ...
0
votes
0answers
52 views

How to make xampp secure

I'm planning on using xampp standlone (prototyping development in PHP). However, I've heard a great deal about the security issues with xampp. By default, everything is supposedly opened and ready ...
1
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0answers
43 views

how to record all who that login to my linux machines and records them

I installed the package audit on my linux red-hat 6.x machine in order to view the recored of each user that log to my linux machine yum install audit kit installation from: ...
0
votes
3answers
13k views

Can't unlock the folders that I locked with 'Folder Lock' program

I use Folder Lock Version 5.2.6 Problem : It asks for new password each time I open it. Bigger Problem : I had locked many folders with this software when it was working fine. But now I can't access ...
2
votes
3answers
852 views

Some Chrome Extension Redirects me to Malicious Sites When Amazon.com is Accessed

I'm getting redirected to ezshoplist.me and alecyueee.us, when I try to access amazon.com. I'm actually redirected to these sites which redirects back to Amazon.com. I searched a lot regarding these ...
0
votes
0answers
35 views

Does use of SELinux help mitigate buffer/heap-overflow vulnerabilities like glibc/Ghost?

Can using a mandatory access control solution (like SELinux) help to limit the vulnerability of a system to buffer/heap-overflow exploits like the newfound Ghost vulnerability in glibc? (I realize ...
0
votes
1answer
116 views

Securing remote access to local server behind NAT router

I want to remotely access a Linux server in my private local LAN via HTTPS and SSH. The server ist connected to my DSL router (German Fritz!Box). As I can't directly access my server because of ...
4
votes
6answers
881 views

How to prevent dual booted OSes from damaging each other?

For better compatibility and performance in games I'm thinking about installing Windows additionally to Linux. I have security concerns about this, though. Note: "Windows" in the remaining text ...
1
vote
1answer
26 views

configure temporary account lockout using powershell

My Windows 8.1 laptop does not have gpedit.msc. I want to configure my laptop so that the account is locked for 15 mins if anyone enters the wrong password three times. I have found some web ...
0
votes
1answer
396 views

Facebook.com returning invalid security certificate

I am on a network which is secured by Cyberroam in my University. Recently, they have made some changes to their security policy and have 'blocked' facebook.com. I kind of used to think that ...
1
vote
0answers
42 views

Why is my bitlocker data drive unlocked for a few seconds after boot?

To specify: why is the data on my bitlocker encrypted drive available for a few seconds after logging in? After a few seconds the system 'notices' the drives are bitlocker encrypted and need to be ...
7
votes
3answers
3k views

Is the UAC level in Windows per individual user?

Can each user have different UAC level in a PC? Specifically, can an Admin have UAC level set to "never notify" and a User have UAC level set to "always notify" and so on?
2
votes
3answers
623 views

How safe is it to connect to a random WiFi network? [closed]

I have my google account setup on my phone and tablet. If I go to some place which has free WiFi access like an airport, or a bus, or even starbucks, how safe is it to use their WiFi service? Will ...
0
votes
1answer
79 views

make Xvfb listen only on local ip

to use graphical software even on my debian based systems without graphic cards (or in addition to its main graphic) i use the virtual frame buffer x server Xvfb. I am starting it with a little bash ...
0
votes
1answer
68 views

chrome is blocking one of my intranet sites

for some reason chrome is blocking one of my intranet websites. If I open this site using another web browser, it is ok, but with chrome I get attached warning message. I know I can click on details ...
0
votes
0answers
197 views

security: changing sudo permissions in /etc/sudoers on Debian 7.8

I have a single-user home system running Debian 7.8 console with desktop installed but default runlevel 3 boot. I added my limited user account to the sudo group using adduser for the purpose of ...
1
vote
1answer
74 views

How do I protect my hosts in an IPv6 world?

I realize that IPv6 adoption is a long way off but I'm trying to understand the basics in order to stay ahead of the curve, and also just for fun. Communicating using IPv6 is no problem. It works ...