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

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1answer
37 views

How does Chrome Remote Desktop manage the remote screen? Can this behaviour be altered?

Does Chrome Remote Desktop keep the remote screen off/locked, or will it show the active remote session? Is there any way this behaviour can be altered?
0
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2answers
30 views

Security level of a hard drive password

I’m about to get a new laptop. I’d like to have some basic security to prevent access to my data in case of getting lost or stolen. At some point I will replace the hard drive with a self-encrypting ...
34
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1answer
2k views

How to find source process of unknown popup in Windows 7

A random popup appears in Windows 7 titled as Information with a progress bar and a clock. The window sometimes says Please wait a moment..., and the progress bar moves very slowly and disappears. ...
0
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1answer
108 views

Server Admin has insufficient rights to add SYSTEM DSN. Why?

My Logon ID is in the Administrator Group for a server. Yet, when I run bring up the ODBC Data Source Administrator by launching it as the Administrator and navigate to the SYSTEM Data Source tab, I ...
7
votes
2answers
1k views

How long would it take to break a 1024 bit OpenPGP encrypted email?

For WPA, there are calculators to determine the time needed to crack a passphrase, but I have found nothing for OpenPGP. How long would it take to break a 1024 bit OpenPGP encrypted email (depending ...
3
votes
0answers
117 views

How to configure linux to enforce new users to change their password on first login

I'm trying to configure users password policy on RHEL 6.6 and I want system to ask newly created users to change initial password on first login. Note, that I tried to set EXPIRE variable to 0 and ...
22
votes
4answers
2k views

What functionality would I lose if I disable browser-based Java?

I am reading that disabling Java—not JavaScript—will make my computer safer form malicious software attacks. All indications are that it will indeed make it safer, but there are no real reasons out ...
2
votes
1answer
30 views

How can using a Tor Hidden service for SSH improve security?

I recently read some blogs posts about how to use Tor Hidden Services to access an SSH server. They argued it can increase security, but I don't understand why this should apply. As far as I ...
0
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0answers
54 views

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. ...
1
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1answer
51 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 ...
0
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0answers
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 ...
2
votes
0answers
60 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 ...
0
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1answer
40 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 ...
1
vote
1answer
22 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 ...
2
votes
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
vote
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
vote
1answer
25 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 ...
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 ...
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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
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.
0
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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 ...
1
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1answer
98 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
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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 ...
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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 ...
1
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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 ...
0
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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
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0answers
49 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 ...
0
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1answer
34 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 ...
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: ...
3
votes
3answers
65 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
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 ...
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
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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 ...
0
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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
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0answers
34 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
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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 ...
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
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1answer
395 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 ...
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 ...
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
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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 ...
0
votes
1answer
29 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 ...
1
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1answer
73 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 ...
0
votes
1answer
31 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 ...
1
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1answer
93 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 ...
0
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0answers
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 ...