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

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What ports do I need to open for offshore to access our SQL Server db?

When using SSMS, for example, for connect to a SQL Server, I would specify the server name to which a wanted to connect as well as the Authentication method, in this case, Windows Authentication. If ...
-1
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0answers
22 views

Heading into College, aspire to work in Cyber-Security. What programming language should I focus? [on hold]

As the title says I am currently a senior in high school about to finish up my last semester. I am headed into a Computer Science degree. I am really interested in focusing on security. I would ...
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0answers
15 views

How to monitor and control what is sent by computer while not active [duplicate]

While i was NOT using computer, wich was opened, connected to the internet but NO applications running, i notice disk grinding and modem light flickering. Suspicious i opened the Windows 7 Task ...
2
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1answer
44 views

Network Security - Potential issue [on hold]

I have to send a program over to China which accesses a server inside our network. This program updates SQL records and stores large amounts of data on the status of products beings tested, on this ...
4
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1answer
495 views

Weird test.txt files always popping up in dev folders

In literally thousands of folders and subfolders, I have files called "test.txt", which are always exactly 48 bytes, looking like this: 2 NUL 8 T 2 DLE 0 B 2 NUL 8 H 2 NUL 0 P Or in hex: ...
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1answer
28 views

Send packet (frame) with different 'Sender's MAC'?

I was just studying the Network+ book where it explains the contents of a Frame using blocks to represent a set of bits. Moving onward, it states that the first 'block' is the Recipient's MAC address. ...
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0answers
16 views

What is a TLS Lenovo Home automation controller?

I went to install a printer on my laptop and spotted the following: I have an HP laptop and am in the office and don't have anything Lenovo related hooked up to my machine, so what could this be?
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1answer
19 views

Filezilla can't connect with TLS on one domain name

I've two websites: one hosting by OVH, and I have no problems with connection with Filezilla (I can use FTP connexion with TLS) one another not hosting by OVH, and when I'm trying to connect with ...
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2answers
49 views

Is my router secure from remote hackers if it uses NAT and has its built-in firewall enabled? [on hold]

My router uses NAT, so it blocks unsolicited packets if I did not send a packet to the source of unsolicited packet first or my port is not forwarded. I understand that this is not meant to be a ...
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1answer
33 views

How to make Windows 7 ask for admin permission for all actions?

For example, Linux will ask permission for each and every action; e.g., for installing software and uninstalling software. Is it possible to configure Windows like that?
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0answers
17 views

Pentesting a desktop application

I'm not 100% sure if it's pen testing that I'm referring to. Basically there is a server set up at my workplace, where we have installed the latest release of our system. This includes bespoke ...
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0answers
12 views

What does oiffoFraApp mean when it says its an add on but not available and what is it?

I found this on my computer (windows vista 32 bit) where it has all the listed add on's running without permission and this oiffofraApp is listed and says it cant be removed and doesn't show where ...
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2answers
74 views

In light of the discovered vulnerabilities in SSL/TLS, is legacy RDP encryption or SSL more secure?

Windows offers the option of using either RDP encryption or SSL (TLS 1.0) to secure a remote desktop connection. Which option is more secure? Given the recent discoveries, is TLS 1.0 still secure in ...
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2answers
40 views

How to make sure that repositories added to Linux Mint are safe and secure [closed]

I’m using the latest version of Linux mint which based on Ubuntu, I have installed many programs by adding a new repository to the list of checked repositories. Now I’m worried of how safe these ...
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0answers
5 views

Users and permissions on a Raspi which is both a home and an owncloud server

I'm a long time Linux desktop user but a total newbie in servers and security. Now I want to set up a Raspi (running Raspbian) to act as a CUPS print server, an NFS file server and backup storage, an ...
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0answers
15 views

How can I tell if my NAT Gateway is a Full-Cone NAT (one-to-one) or a Restricted-Cone NAT?

Since a Restricted-Cone NAT blocks incoming packets from sources which I did not sent a packet to first, I feel as if it is more secure, unlike a Full-Cone NAT. However, I am not sure what my NAT ...
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0answers
41 views

Windows 7 Pro disk or folder encryption since the end of TrueCrypt support [closed]

Since TrueCrypt is now defunct/retired - what options are there for encrypting a folder or partition in Windows 7 Professional? Edit: (in response to comments) I'm after possible folder or partision ...
2
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1answer
42 views

How to delete Wi-Fi password on shutdown?

I use a wireless network on my Windows 7 and 8. The problem is that I don't want to store the password I entered so I need to know if there is any method to delete saved passwords every time I ...
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0answers
23 views

Browser chat with client-side encryption [closed]

Could you advice chat for secure conversation? Would be perfect if it is open-source and no logs saved on server. All that i can find are applications, that need to be installed.
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1answer
20 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?
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2answers
25 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 ...
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0answers
17 views

How to update Mac OS X 10.9 keychain access

I am using Mac OS X 10.9 and I am trying to update my keychain password. I have just changed some Facebook password so that now when I log into Facebook, the password that is put by my Mac OS X system ...
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. ...
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0answers
26 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 ...
6
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
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0answers
58 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
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4answers
1k 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
22 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 ...
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0answers
15 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
34 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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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
27 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
20 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
12 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
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0answers
46 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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0answers
22 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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1answer
14 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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0answers
13 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
29 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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0answers
54 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
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1answer
13 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
28 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
22 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
44 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
31 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 ...
0
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1answer
20 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
52 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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0answers
31 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
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1answer
31 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
24 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 ...