The protection of computer systems and information from threats such as theft or data destruction.

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-2
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0answers
19 views

How to program a form that can submitted without user authentication only once per 24 hours? [migrated]

I want to allow people that visiting the website to submit a form only once a day (24 hours). This is a reporting form (few fields) that are sent by visitors coming to our website to report something ...
0
votes
0answers
37 views

What is wrong with my security here?

I followed this method for creating an email address for my desktop (so that I can automate certain emails, etc.) and when I try to test an email I get: mail: cannot send message: Process exited with ...
1
vote
1answer
25 views

Can someone explain strange inbound connections on my server log?

Ok, so I only know as much about networking as I have learned in my Computer Systems and Electronics courses, and I am seeing something that I'm not sure how to interpret. My brother wanted me to make ...
0
votes
0answers
19 views

VPN service in place but I still received a copy right infringement notice from my ISP?

I have a VPN service that I use but I received a copy right infringement notice from my ISP. I'm not sure how this was possible but I hope that some one can help me with this problem. I don't know if ...
1
vote
1answer
13 views

Making sure my desktop is locked when it goes into sleep mode

Is there a way to install some kind of a hook that'd make sure xlock or a similar program is called before my laptop goes to sleep, regardless of the origin of the request (calling pm-suspend from a ...
1
vote
2answers
32 views

Using OS in virtual-machine increases security? [on hold]

I have question about security. I don't know if it's good place to ask this question here. Let's say I want work with money, trade it and so on.. And I have ubuntu on iron on my laptop, but I have ...
-1
votes
1answer
26 views

Encrypt Filenames - I have no idea what it is and where to use it. Please explain

I saw in 7zip checkbox to Encrypt Filename and than someone told me to encrypt filename and encrypt the file. What does it mean filename encryption?
0
votes
1answer
4 views

Unix accounting: lastcomm commands with no on-disk executables - what are they?

A security related exercise: For extra security, I have traditional Unix accounting (acct) turned on. This can help investigate suspicious activity after the fact. According to the man page ...
0
votes
0answers
22 views

WPS Pixie atack: WPS pin not found and exit after seconf trial

I use reaver for test my network for pixie vulnerability. After run the command: reaver -i wlan0mon -b 60:E3:27:BC:11:84 -c 4 -vvv -K 1 -f I have follow output: [+] Switching wlan0mon to ...
-1
votes
0answers
23 views

Windows 7 Admin share accessible regardless of password when same user name is used

I have two windows 7 computers. Both are logged into local accounts with the same username but different password. When I try to access the admin share of the second computer, it comes right up with ...
0
votes
1answer
20 views

How to secure CoreOS on DO? [on hold]

I've receive the following message: We've detected an outgoing Denial of Service attack (http://do.co/21Y1Gc1) originating from your Droplet. Due to the traffic’s harmful nature, your Droplet ...
3
votes
0answers
54 views

How to set TLS protocols as default after applying KB3140245?

This is about instructions to Windows update KB3140245 on a 64-bit Windows 7 machine. Microsoft released this update some time ago that "allows users to change system-wide default protocols for ...
-1
votes
0answers
18 views

Security Considerations to use an Redirection Service like https://api.fnkr.net [closed]

What about security reasons from an redirection service like https://api.fnkr.net I'm pretend to use this for our company in that way which you can redirect with an outlook link which contains the ...
1
vote
0answers
23 views

What type of attack is this by adding /127.0.0.1/ in the URI request?

I am hosting a website and I see a lot of request that include /127.0.0.1/127.0.0.1/ in the URI. Some times the /127.0.0.1/ is present multiple of time in the URI e.g ...
0
votes
0answers
15 views

Can chrome extensions read data from internal chrome*:// pages?

Most Chrome extensions ask to "read/modify data on all websites". But can they read, for instance, data from chrome-extensions://? From experience, I know that most web clippers simply don't work on ...
0
votes
0answers
35 views

Can't connect with TLS1.2/Client auth from IE/Chrome. Only works with Firefox

I have a client for which I'm developing an app. That app must connect to their server, which sits behind a NetScaler load balancer configured with TLS1.2 only and requires client certificate ...
0
votes
1answer
19 views

Windows 10 Home - cannot access admin only drive as administrator

I upgraded my Windows 7 HOME to Windows 10. I had some user accounts, one an administrator, the other a standard user. I had edited the security so that some drive and folders had no read permission ...
-1
votes
0answers
9 views

What alternatives are there to gauth for TOTP?

I'm looking to deploy a TOTP client as a web service. gauth is one possibility but I'd be interested in others, particularly if there are commercial alternatives that I should consider.
1
vote
1answer
28 views

Cannot download old backup from Gmail as it's an archive

Back in 2007/2008 I emailed myself a backup of an important file. It was stored in a password protected RAR archive. I am unable to download the attachment or forward it and given the reason ...
0
votes
0answers
14 views

Tripwire: Allow to add and remove files, but not modify them

I'm hosting an ubuntu server 14.04 I want to secure with tripwire (that one from the repositories). I have a cache directory, where files are added and removed but will never be modified once ...
-1
votes
0answers
27 views

What is an invalid value for a MD5/SHA Hash? [closed]

Can I surely say that a particular hash value is invalid and cannot be generated ever? Say all 0's for example. Can you post example(s)?
0
votes
1answer
27 views

Sure way to get rid of a trojan [duplicate]

I think I have a trojan. svchost.exe is consuming %25 cpu all the time, and my Microsoft Security Essentials reports a different virus every half an hour or so. From what I understand the trojan is ...
-1
votes
0answers
5 views

Secure certificates using TPM in ubuntu

I have a requirement to secure AD machine based certificates(.cert,.pem,.key files) using TPM chip in Ubuntu operating system. The requirements are as follows: The certificates that are downloaded ...
1
vote
0answers
14 views

Secure a PDF document on a future date

I'd like to "secure" a PDF document on some future date (specified by me). By "secure" I mean either of the following: the document becomes encrypted with a password (and cannot be open without one) ...
1
vote
1answer
49 views

Access file on a USB drive after drive removal

Can an Excel file, opened from a USB flash drive, edited but not copied to the computer, be accessed after flash drive removal? If I open an Excel file on my private computer with Windows installed, ...
-1
votes
1answer
51 views

How can I improve my linux security? [closed]

I dabble in Linux from time to time. Oddly enough at one time in the past and just today, I've found my system compromised (that is my perception at least). In my opinion I'm no expert in Linux or ...
0
votes
3answers
47 views

What does security “patching” mean, and why is it difficult?

I just got to learn to manage a server, and got my first VPS running. As you may think, it's a "personal" training server, not running for any company. I keep hearing about "security patching" and a ...
0
votes
1answer
35 views

Is it in way bad for a PC to leave its case off? [duplicate]

For a desktop PC is it bad to leave the side panel to it's case off? Initially I thought it would help cooling (and allow me easy access) but wondered if it lets more dust in. Any other pros and ...
2
votes
0answers
58 views

Is there anything legitimate that could change my Screensaver security settings?

A few days ago my laptop started displaying the "Locked" screen if I was away from my computer for a while. Looking into my screensaver settings, it was set to do this after 10 minutes even though ...
-4
votes
1answer
35 views

How to secure a linux system [duplicate]

-6 down vote favorite I`m n3w to this how and what are the best tried and true ways to harden a linux system? say for example a fresh build of Ubuntu 14.10 I have been looking at seliunx vs ...
1
vote
1answer
33 views

Edit host file to redirect domains, Hackxor?

I am playing with a vulnerable web application game called Hackxor. The installation instruction says... "Configure your hosts file (/etc/hosts on linux) to redirect the following domains to the IP ...
1
vote
1answer
24 views

Running an OpenVPN service on a VPS web server

I've deployed a VPS server on digitalocean to give node.js and applications like Ghost a try. Meanwhile, I want to use the droplet as a personal VPN as well. Would it be OK to run an OpenVpn service ...
-2
votes
3answers
182 views

Netstat shows very large number of connected IPs

I just ran netstat on my computer and found a large number of remote IPs connected, at least one of which shows as being from a website which when I googled was listed as a known scam site -- a site ...
0
votes
1answer
19 views

Passwordless ssh login and cloning repositories via ssh gateway server?

In order to access a particular linux machine, I must first ssh to a provided gateway server, however I never receive a command line on the gateway server. Immediately on login to the gateway I am ...
1
vote
2answers
54 views

Are .eml attachments a security risk?

My email service provider blocks mails with attached .eml files, apparently for security reasons, with the result that I loose relevant mails. I have tried to find a description of the current ...
0
votes
0answers
40 views

debsecan Fix CVE on debian

I just installed debsecan on Debian 8.1 to view the vulnerabilities that I have, and there were quite a few. Searching the web I see that most of them have a fix but I don't manage to figure out how ...
2
votes
0answers
13 views

Should a device that supports WPA2-AES be able to connect to a Mixed Mode network (WPA-TKIP, WPA2-AES)?

I'm not sure if this is the right place to ask this question, please let me know if it is not. I have a specific question about the 802.11 security standards for WiFi. I am using an embedded WiFi ...
0
votes
1answer
23 views

Any way to enable “show character” in WIFI network properties?

I know how to disable ' show character ' in WiFi network properties. Now I want to enable ' show character ' because I forgot my password. Please help
0
votes
0answers
7 views

How to setup Recovery Key or something similar for Two-factor authentication for Apple ID?

I have enabled Two-factor authentication for Apple ID. I want to create Recovery Key. On the page Frequently asked questions about two-step verification for Apple ID I read the following: If you ...
3
votes
1answer
24 views

What's the real security risk in VSFTPD of pasv_promiscuous=yes?

In VSFTPD, the default for pasv_promiscuous is "NO", and the man page indicates: Only enable if you know what you are doing! The only legitimate use for this is in some form of secure tunnelling ...
0
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0answers
28 views

how to set password protection for new software installation?

how to set password protection for new software installation? It is possible to set restriction to install new software. gpedit.msc in not available in windows 10.
0
votes
1answer
39 views

How do I prevent a chrome extension from being removed?

I am using Blocksi parental controls chrome extension to block access to confidential websites that I login to on my laptop, for in case someone uses my laptop without permission, but the person can ...
2
votes
2answers
47 views

How is the Firewall taking priority over other applications when the PC first boots?

How is the Firewall taking priority over other applications when the PC first boots? How is the priority given,is it through a kernel driver? I'm using Comodo Firewall and I see that the Spotify app ...
4
votes
2answers
100 views

Stop Windows 10 search from running commands

We disable the run box on our network through a GPO which for anything upto 10 stopped you browsing to UNC paths or running commands of any kind. In 10 it has the same effect UNLESS you use the search ...
0
votes
1answer
23 views

Check if encrypted USB has been accessed

I mislaid my encrypted USB memory stick for a while (I now have the memory stick in my possession) and I am concerned that someone may have known my password and accessed and saved files to another ...
0
votes
1answer
56 views

How to disable Kaspersky repetitive null requests showing on Chrome's Network Developer Tool?

Kaspersky creates repetitive requests appearing annoyingly on the Developer Tools > Network on any webpage I try to analyze. I'm looking for disabling Kasersky requests to appear at all. That is to ...
1
vote
0answers
30 views

Windows Network Policy Server is not logging bad passwords in NPS logs

I have an NPS server for RADIUS from an Aruba controller. Accounting and authentication logging is turned on and working, except for when the logon fails because of bad password. Security Logs All ...
-1
votes
0answers
45 views

Bypass Java Security on Java 1.8

Has anyone been able to bypass this prompt for internal applications that have an expired certificate? We are on Java 1.8.0_77. I am getting the following java error: "Your security settings have ...
-1
votes
2answers
39 views

Security concern google verification html file

I have a security concern about keeping the HTML verification file (ownership) of Google Services. For example (fake content): www.mydomain.com/google701e071d75a18d9a.html With the content: ...
1
vote
1answer
75 views

Flash player updates: auto-updating shuts off by itself

I have observed on various Macs running El Capitan that although the update setting for flash player "Allow Adobe to install updates" is selected, which is also the recommended security setting, after ...