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

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13 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
38 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 ...
3
votes
2answers
28 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 ...
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0answers
15 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 ...
-1
votes
0answers
15 views

3rd party site for storing encrypted info that can be called by API [on hold]

Is there such a thing as a 3rd party site for storing encrypted information that can be called by an API? I would want to retrieve the information in clear text to be run in my controllers, but I ...
0
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0answers
28 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
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0answers
10 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
34 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 ...
0
votes
2answers
32 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: ...
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0answers
5 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 ...
0
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0answers
17 views

How far is it safe to sign in with my Google account into Chromium?

I have been using Chrome and its Sign-In-Once-And-Forget feature for a long time to sync my history, passwords etc across devices. Now that I have switched to Ubuntu for my mainframe, I was ...
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0answers
7 views

Windows 7: Where can I change the default permissions and security of files created by Google Drive?

I have a home server I only use to store family pictures, documents,pass really big files between my computers and stuff from University. It's a Windows 7 machine. I already changed the main folder's ...
3
votes
0answers
50 views

I keep getting unusual devices on my router

I keep seeing devices on my router that aren't mine (I have cataloged the MAC addresses of the devices in the household). I can ban them, but I can't stop them from coming. Although I use a secure ...
0
votes
1answer
18 views

CTB-LOCKER and possible future decrypt hack. Do I make a HD ISO image before formatting?

my second question here! :) A friend of mine has the files on his laptop (Windows based OS) hard-disk encrypted by the ransomware CTB-LOCKER. I don't know the CTB-LOCKER ransomware version/type, ...
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votes
0answers
18 views

I have a raspberry Pi 3 running apache2. How do I edit index.php file in /var/www/html without compromising security

I have apache2 from a RPi_Cam_Web_Interface package which sets the permissions to www-data. I'm a noob so don't quite understand the chown and chmod command and I don't want to make it easy to hack ...
0
votes
1answer
17 views

Why can't Excel show me which data connections are disabled?

When opening a workbook with an external data connection, I get a yellow warning bar: Security Warning | Data connections have been disabled | <Click Here to> Enable Content I've found some ...
-1
votes
1answer
57 views

Security Reasons to upgrade from Windows XP Needed [duplicate]

Is there a white paper, or any long winded sob story already written why we desperately need to stop using Windows XP and upgrade to... well, anything other than XP really, 7/8/10. ? I've searched, ...
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votes
2answers
46 views

What damages can occur if flash drives are not safetly removed?

What damages can occur to my computer or my flash drive such as pendrive if I don't safety remove it before plugging it out after any read or write operation on my pendrive also if there is no read ...
1
vote
1answer
35 views

security: SecKeychainItemDelete: UNIX[Operation not permitted] on OS X when trying to remove a system root expired cert

So I see some expired certs under 'System Roots' (not 'System'), so I want to delete them via cmd. sudo security delete-certificate -c A-Trust-nQual-01 ...
0
votes
1answer
23 views

Multiple instances of programs allowed in windows firewall

I am new to windows firewall. While allowing a program through windows firewall, I am able to find that multiple entries present for Firefox, and java. Why is it so ? Thanks in advance.
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votes
0answers
5 views

EMET has compatible confict with Firefox in Windows 8.1

I have to turn off the EAF option for firefox in EMET in order to stop the lag/long time loading problem of firefox. Turning that off may has serious security issue. Any suggestion?
-1
votes
1answer
29 views

Boss is getting my emails in sync withn mine [closed]

I recently took some time off due to medical condition, My boss has been receiving all my emails and often replies to my clients on my behalf and calls me regarding some of the mail received. I feel ...
0
votes
1answer
12 views

Windows 7 Drive permissions (alternative to group policy) block access to internal OS Drives from external OS

Windows 7 admin user (version without group policy) Hi, i want to block access (read write view etc) to the internal OS drive (boot & C:) from external OS drives pluged in. The external OS can ...
3
votes
1answer
44 views

How to check for false positive from anti-virus

Ran Kaspersky Rescue 10 overnight and the system came out clean, except for an obscure shortcut (one amongst hundreds). Kaspersky reports the trojan as: trojan-downloader.win32.pif.xx and according ...
1
vote
3answers
54 views

I will not be able to log back into Windows 10 when I log out.

I changed the password on my Windows 10 account earlier today but can't for the life of me remember what I changed it to. Therefore, when I log out or turn the computer off, I will not be able to log ...
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votes
3answers
37 views

Is my NAS secure if no internet access is allowed?

I have a Synology DS214se, with DSM 6.0 update 3 installed. QuickConnect is disabled and I haven't added any external access permission. Is my NAS safe from attacks? I was wondering if I should add ...
0
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0answers
23 views

Setting up an ssh authentication server [migrated]

I have some 30 Media Temple grid servers and I need to manage the access of 15 or so developers to those servers. Is it possible, and more importantly secure, to setup a server who's only job is to ...
0
votes
1answer
27 views

“Permission Denied” when killing process

When I try to kill a specific process (avastUI.exe), I got "permission denied". Obviously, the current user is in the Administrator group. I'm not looking for a way to kill this process, I just want ...
1
vote
1answer
14 views

Why does Google Chrome fail to provide a checksum

Alright, I may be a bit uneducated when it comes to this subject but I have a genuine curiosity about why Google does not provide a checksum along with a gpg signature with their Google Chrome ...
3
votes
1answer
24 views

setting up a locally shared folder on Archlinux (on a ext4 filesystem)

Let's assume the following scenario. We have two users trusted and untrusted. User untrusted is used to access the internet and download data, which then has to be reviewed and given to user trusted. ...
0
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0answers
10 views

NESSUS: Kali Linux Installation Issue

I am really interested in Nessus as it will be a useful effective tool for the needs of the company. Unfortunately, I have been unable to configure the tool correctly to evaluate it. For example, I ...
1
vote
1answer
10 views

LAMP server software requirements [closed]

I'm building my first LAMP server to be used as both a remote testing server and as practice for building a web server. I'm going to use Ubuntu Server with Apache2, PHP7, MySQL 5.7, OpenSSL and ...
0
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2answers
34 views

Is there any risk of irrecoverable damage by giving public access to remote desktop/terminal?

If I allow public access to a remote control program (SSH, teamviewer, remote desktop connection, etc) is there any risk of damage that can't be fixed through reinstalling the operating system? Do any ...
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0answers
22 views

How to create a Tor-only network interface suitable for Firejail?

The most popular way to Torify applications is probably the SOCKS5 proxy method. It has a downside though: you ask an application to use Tor, not force it. If the application misbehaves or is being ...
0
votes
0answers
12 views

How to run JNLP file by force on my computer?

When running JNLP file on my computer, it says I have added the URL to the exception list of Java config but this didn't help. I am the human and according to laws of robotics, computer should ...
1
vote
0answers
13 views

splwow64 deleting %TMP% permissions

Repeatedly I've had problems as a result from having all permissions set on the %tmp% folder (C:\Users\<username>\AppData\Local\Temp) (Win10) deleted. As default the users/groups SYSTEM, the ...
1
vote
1answer
35 views

“Reported Web Forgery” message on one install of Firefox but not another

On my 64bit Windows 7 machine running latest version of 32bit Firefox I received the following message when visiting a URL from an email... in order to check it out further, I loaded firefox on a ...
1
vote
1answer
91 views

Volume Shadow Copy Service - Security Permission Error

While trying to diagnose some other unrelated issues on my PC I noticed my windows error log is being written to every second (I am not exaggerating, there are 60 entries per minute every minute) with ...
3
votes
1answer
17 views

Why are key agents sometimes preferred over configuration files?

Some programs seem to prefer to use an SSH key agent, rather than specifying the key file in some configuration file somewhere. Examples: GitHub's instructions for using SSH SourceTree's method ...
-1
votes
1answer
80 views

How can I add a certificate exception for an HSTS-protected site in Firefox?

I'm extremely irritated with Firefox's constantly blocking lastpass.com . It is a well known website that stores all my passwords. I need that website to access hundreds of websites. Side note: ...
3
votes
1answer
57 views

How to retrieve RSA private key from wrapped key blob?

I have generated a pair of RSA keys on a smart card with OpenSC tools and retrieved it as wrapped key blob encrypted with DKEK key: sc-hsm-tool --create-dkek-share dkek/dkek-share-1.pbe sc-hsm-tool ...
0
votes
0answers
14 views

Using a VPN subscription service to connect to different other services

I've just set up a new UK Ltd company and one of my potential customers require that I have a Cyber Essentials Certification. (https://www.cyberstreetwise.com/cyberessentials/) The company I've set ...
2
votes
1answer
28 views

How can I stop files infected with ransomware from replacing my cloud backup?

I saw this question on Security.SE and it got me thinking about my way of backing-up my data. The way I do it is by storing my most important data (including kind of personal things) on a folder on ...
0
votes
0answers
11 views

how to block subdomain from any domain with windows7?

There are a lot of crappy websites which install spyware or badware software with a common subdomain name. For example (don't try these URLs, they are dangerous): ...
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votes
0answers
17 views

Add link to Kaspersky whitelist in order to unblock it?

This window appears every 10 seconds saying "Malicious link blocked". I believe that the link is secure. How could I add this link to Kaspersky whitelist in order to unblock it? Note: I'm using ...
0
votes
2answers
47 views

Can HTTP servers on a LAN be hacked into from the web?

I have set up a web server on a ESP8266 microcontroller inside my local area network. HTTP GET requests sent to this unit can switch on and off a mains outlet, and I'm planning on deploying a couple ...
0
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0answers
14 views

What exactly are the security implications of ufw DEFAULT_FORWARD_POLICY “ACCEPT”?

I found this question asked on Serverfault, but the answer just provided alternatives instead of actually detailing the implications. I had to set DEFAULT_FORWARD_POLICY to "ACCEPT" to be able to ...
0
votes
1answer
29 views

Open SSH port a bad idea on a Raspberry Pi?

I have a Raspberry Pi at home that I have connected to my home network. I use it to run a VPN server, SSH tunnel, and occasionally I SSH into it to perform maintenance on it. Is it a bad idea to have ...
0
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0answers
17 views

What Everyone group actually means? [duplicate]

When I give Everyone a full access to some file does it mean anyone can just connect to my computer and download it? In which case Everyone rules will be actually applied? Is it safe to set some ...
1
vote
1answer
45 views

How does ransomware affect secured/hidden partitions? [closed]

I have hybrid hdd/ssd, there are some partitions for backup&stuff and also a special one that win8.1 created(recovery?). I can see the partitions with gparted, but can't access any of them through ...