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

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SecurePoint is not allowing https access through OpenVPN, why not?

How can I get https access from Windows through OpenVPN to apps running on a remote CentOS 7 server? I am trying to use the SecurePoint OpenVPN client for Windows, but need some better instructions. ...
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1answer
71 views

Unknown Contact has full access to folder?

Is anyone able to take any educated guess(es) about what this "Unknown Contact" is, which has access to a few shared folders on my computer? The concerned machine is connected to another via a ...
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14 views

How can I save / access credentials in credential manager from a remote machine? [duplicate]

I have to save credentials using a service account onto a remote machine and also should be able to access the credentials from remote machine using the service credentials. I have tried using ...
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0answers
69 views

Configure Java 8 Exceptions list for all users on a computer?

I need to add several sites to the Java exemption site list in Java 8. The problem is that Java's security settings are done on a per user basis and not on a per system basis. This means that when I ...
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1answer
53 views

How to stop a DDoS attack using the CSF firewall?

I have a local CentOS server used for web hosting. There are a lot of attacks that come in from many different IP addresses that try to hack into a Joomla 2.5 based website. This causes my Apache ...
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1answer
28 views

NTFS Security Settings Authenticated Users not in list

Working on securing permissions on network shares in the office and I wanted to use "Authenticated Users" group instead of one I already had called "public fileshare users". They serve me the same ...
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0answers
89 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 ...
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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 ...
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1answer
38 views

Password policy using pam_cracklib is not enforced for root in gui

I'm on Red Hat 6.6 now, trying to enforce password policy for root user. My /etc/pam.d/system-auth file contains following lines: #%PAM-1.0 # This file is auto-generated. # User changes will be ...
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29 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 ...
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1answer
39 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 ...
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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 ...
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1answer
20 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.
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1answer
42 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 ...
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1answer
171 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 ...
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1answer
56 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 ...
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1answer
34 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 ...
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1answer
29 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 ...
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2answers
103 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 ...
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62 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 ...
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1answer
38 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 ...
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1answer
43 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 ...
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0answers
30 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: ...
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3answers
81 views

Are Wireless Keyboard Inherently Insecure?

We all know about hardware keyloggers, but it seems to me that the concept of filtering keystrokes at the physical level gets even easier when people use wireless keyboards. To my knowledge, a ...
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0answers
14 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 ...
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2answers
105 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 ...
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0answers
59 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 ...
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70 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 ...
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53 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: ...
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0answers
44 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 ...
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1answer
140 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 ...
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1answer
30 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 ...
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1answer
495 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 ...
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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 ...
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1answer
73 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 ...
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0answers
217 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 ...
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1answer
32 views

How to restrict access to Ethernet ports outside of physical permiter

I have several PoE IP webcams installed on my house. Each mounting point has only one wire going to it: the Cat6 with 8P8C plug at the end, which both powers and communicates with the camera. I ...
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1answer
82 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 ...
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1answer
34 views

Catching malware and demonstrate it through windows logs

I need to catch a virus/malware on purpose on a VM and demonstrate the infection through windows logs analysis. I am using both syslog and eventlog analyzer, but no sign of events logged. I caught on ...
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1answer
117 views

Did I just send my private ssh key?

I was setting up ssh for git following this guide. I used the key before on another system successfully, expecting it to work now too I tested it with: ssh -v -T git@github.com And received the ...
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19 views

How to install an program on Windows without giving access to device?

I need to install a program on an old Windows XP computer from an untrusted source. Is there a way to install it securely without giving it access to my data etc? (Also it should not be able to ...
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1answer
36 views

external IPs maps to router-admin pages is a big threat to security

when we type the external IP address of some networks, Router's admin page gets loaded.If the admin doesn't request to change the external IP of his network, the network is vulnerable to ...
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0answers
149 views

Toshiba Satellite c55-a-1rg no bios password prompt

Have an eerily similar issue like the individual here: Toshiba Satellite L75D-A7280 BIOS doesn't ask for set administrative password Tried the solution posted there, did not work. My bios is ...
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3answers
82 views

How does a password manager protect me if I have a keylogger on my computer?

Password managers arguably provide greater security since it allows users to easily create unique, difficult-to-guess passwords for every website they log in to. But, if someone has a keylogger on ...
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2answers
50 views

What is browser fingerprinting and why should I want to avoid it?

What is browser-fingerprinting and why shoould I want to avoid it? If that is related, I am already using adblock and do-not-track.
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1answer
76 views

How to disable SSLv3 for POODLE attack

I want to Disable SSLv3 to restrict the POODLE attack on my website My website is hosted on Microsoft Windows Server 2003 System I am using Apache Tomcat as an application server with thee version ...
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0answers
34 views

Some programs do not run on certain drives

I have multiple games downloaded from Steam etc. I also have 3 hard drives, 1 internal(C:), 2 external(F: and G:). When I install games on C or F, all games run perfectly. but when I install games ...
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2answers
258 views

How to remove password of PDF with known password? [duplicate]

I have a personal PDF that I would like to remove the password for because the password was my old phone number (which I may forget). How can this be done? Maybe relevant that the PDF contains form ...
0
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1answer
72 views

Proxy/firewall windows bypass? [closed]

i am in with a little challenge here. We have a network where the Computers connect to our domain, to log on, and get internet connection... This work as a wireless connection. My boss made a very ...
2
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1answer
35 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 ...