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

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Should I use PAP, CHAP or MSCHAPv2 for inner authentication on eduroam?

There are countless instructions on how to connect to the eduroam network from various universities and research centres. They tend to differ in the recommendation regarding the inner authentication ...
0
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1answer
28 views

Impero - when does it work?

I have a question about Impero. Does it work when I'm not connected to my school's Wi-Fi? The process "ImperoGuardianSVC" is working all time in background. Impero is a school program to prevent ...
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0answers
4 views

DNSSEC with existing private/public key

what I want is the following scenario. There exist single hosts that are connected with each other in a fully meshed network. Every host possesses a RSA key pair (private/public). What I now want is ...
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0answers
41 views

How would I use a webcam as a security camera? [closed]

I am making a security system for one of the rooms in my house. I am not willing to invest much on a professional security system, but I want atleast some security. My goal is to use a webcam ...
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0answers
29 views

Currently blocking malicious websites with Malwarebyte, what to do next? [duplicate]

This question is concerned with the management of a temporarily contained but potentially active computer virus in a particular case. Background information System information Windows 10, 64-bits, ...
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1answer
39 views

How to only connect to one SSID (access point) Win 8.1

I have searched for this solution but have not found an answer. How do I only connect to one SSID / Access Point (ie. my router). I do not want to keep pinging/roaming other routers in my ...
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3answers
716 views

Username or password is incorrect: why not specify which? [closed]

When signing into websites or mobile applications, if an incorrect username/email or password is entered, you are almost always notified only that "the username or password is incorrect." Why is it ...
0
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1answer
54 views

Why don't administrators have access to “system” permissions?

In Windows, the highest level of privilege you can have is administrator permissions. But when you install an app like an antivirus, they have System permissions which is one level above admin, and ...
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0answers
34 views

How to always trust software during install?

I am installing a program, and I keep getting this prompt: Would you like to install this device software? Name: Juno LTD. Jungo Connectivity Publisher: Atmel Norway [✓] Always trust software from ...
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3answers
1k views

centos upgrade openssl - CVE-2016-0800 - drown attack

Because of recent vulnerabilities discovered in old openssl versions I have to upgrade it. But there is no current Version in the Centos Repositories... Is there a trustworthy repository out there ...
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1answer
43 views

Backed-up EFS certificate doesn't work after resetting password

I'm on a Windows Vista computer. I've wanted to use EFS for a little while but I wanted to experiment on some individual files first. While doing that, I backed up my certificate and key, reset my ...
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1answer
15 views

How to verify the installed build of dd-wrt on used router

I recently acquired a used router on which a previous owner had installed dd-wrt (I acquired it via a non-technical friend who bought it off ebay, so I have no idea who did the install). I'm ...
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1answer
38 views

Will a VPN make a DNS Server more secure?

I have a DNS Server (unblock-us) at the router level to allow US Netflix for everyone on my home network. I am concerned about all my traffic (eg internet banking) going through these servers and the ...
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0answers
23 views

SRP not blocking EXE

I wanted to use SRP (Software Restriction Policies) on my Windows 7 Professional for whitelisting. For now I have just set the default level to dissallowed no additional rules just the 2 which are ...
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5answers
85 views

Is a self signed SSL certificate less secure?

I'm using a self signed SSL certificate on the homepage for our prom. I know almost everybody who uses this website personally, so I can assure them that the certificate is trustworthy, even though ...
2
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5answers
119 views

Do I still need to update Windows if I have an antivirus?

I am still on Windows XP and I am perfectly happy with it and think it's better then Windows 10. Now that XP is unsupported, no new security updates will be made available to home users. Are ...
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0answers
22 views

Using git/openssl as password manager

What are potential vulnerabilities in using this to generate passwords and storing them in a git repository? pwgen -sy1 16 | tr -d '\n' | openssl aes256 -out ~/pw/some_name.aes openssl aes256 -d -in ...
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0answers
158 views

Secure wifi connection with FreeRADIUS, MySQL, EAP-PEAP, TLS

I'm trying to setup a wireless network as shown in the picture and I'm struggling how to secure it. Picture of Wifi Network: My basic question is: How I can securely store passwords into MySQL ...
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2answers
23 views

website with expired SSL

A website I'm trying to register at has an expired SSL certificate. I have the option to either use HTTPS with an expired certificate or HTTP, which option would be more secure? Is the expired SSL ...
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1answer
15 views

Special Identity Security Group in AD

In activity directory is there a way to create a security group that utilizes a special identity? I can explain why I’m trying to do this but typing it out is getting a little wordy. What I’d like to ...
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0answers
24 views

how to set windows firewall rules for bridged network connection?

i have created some rules in my windows firewall to grant access to only to a particular IP.. rest all connections are denied. i created a bridge between the host network and another network[ two nic ...
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0answers
24 views

How to analyze a suspicious traffic under linux machine?

Often under Linux machine, networks are protected by firewalls. This protection, though necessary, do not detect external attacks. Indeed, a Firewall is designed to block unwanted network flows while ...
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1answer
91 views

How to copy files/folders securely between two Windows machines? [closed]

Is copying between Windows machines secure (encrypted) by default when using either command line (via mapped network drives) or Windows shared folders? If not, is there better way of securely copying ...
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1answer
37 views

Do I have to update Windows 7 if all I use it for is Steam? [closed]

I am mostly an Ubuntu user, I have a Windows 7 Home partition for nothing except: Steam and GOG games Updating the BIOS (if I have to and cannot do so from Ubuntu) Presumably I do not need to keep ...
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2answers
45 views

How to overcome antivirus false positive error

We develop software which will upload the files to a website. We are facing the false positive error from different antivirus vendors. We have update file, downloader exe(which download the files from ...
56
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2answers
11k views

The MD5 hash value is different from Bash and PHP [duplicate]

I tried to generate the MD5 sum (using md5sum) of a string, "hello". I tried out different methods as the md5sum tool in Linux, PHP's MD5() function as well as various online text to md5sum ...
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2answers
306 views

Safety of local network over VPN

I have a Linux machine in a local network that uses an OpenVPN connection to reach the outside world. However, I know nothing about the VPN server itself and therefore I assume that whoever operates ...
3
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1answer
5k views

Linix Mint Live CD: DNS not working, but will ping out fine

I am running the Linux Mint (Cinnamon) 64-bit Live CD with VirtualBox on my Windows 8.1 Host computer. The guest can ping 63.84.3.27 (Google) just fine, but cannot access the web. I tried changing ...
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1answer
30 views

mDNS in the context of a DNS

Yesterday we have been discussing mDNS in the context of a lecture at the University. We did not exactly come to a result and I can't stop to think about it. The project in the lecture was about ...
0
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1answer
58 views

How to limit PIN attempts in Windows 10

I want to limit PIN attempt to only one, so that if somebody entered wrong PIN once, it will get locked for that session and he must have to enter the correct password (which will be relatively longer ...
3
votes
1answer
67 views

Security: Is the Raspberry Pi really stateless?

The Raspberry Pi has become very popular. Because it is rather cheap and simple it could be an attractive device for people living in so called developing countries. However in many of these states ...
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1answer
146 views

How to remove cryptowall encryption

Please help me urgently, Because My all files are encrypted by unknown virus named, 'CryptoWall encryption'. I attached one screenshot, which is provided by this virus.
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0answers
160 views

Keep permissions for control panel and immersive control panel items in sync on windows 10

I am working on locking a user down in Windows 10 Home to only allow them access to a few control panel settings (date/time, display, networking, and sound volume). I've done a bunch of things to make ...
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3answers
584 views

Any secure backdoor for Windows 8? [closed]

I want to install a backdoor to my laptop with Windows 8 so that I can access it and stay hidden, just in case if someone will steal it. Most of remote access tools are not hidden and it is obvious if ...
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3answers
614 views

How do I ensure that BitLocker can't be bypassed with a recovery key?

I want to encrypt my hard drive using BitLocker, but it requires me to create a recovery key. Now, I understand why this is important, as there may be cases where my password alone can't unlock the ...
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1answer
56 views

Are DNS requests from Tor exit nodes a security risk?

I am monitoring network alerts using Security Onion. I have come across an IP, 109.163.234.2, that is a known Tor Relay/Router. It is querying my DNS server for records. Are any bad actors trying to ...
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votes
1answer
71 views

Blocking programs from reading outside their allocated RAM

I was wondering if I could keep program A from reading my entire ram, as it does not need to monitor what program B is doing. Also I am on windows 8.1 64 bit.
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1answer
16 views

How does encrypting /home partition with ecryptfs on linux stop malicious modification of /boot or /(root)?

This is a page where a developer of ecryptfs explains the difference between ecryptfs and dm-crypt: ...
0
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1answer
26 views

Tuleap compatilibity with openfire 3.7 or newer

I have a tuleap 8.10 server with openfire 3.6.4. After running a vulnerability analysis, I have the following message: 9090/tcp 51143 - Openfire Admin Console login.jsp XSS Synopsis ...
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0answers
17 views

Do you need a server for Endpoint Antivirus Protection?

So i'm looking into a a few antivirus software packages for a small business with no more than 5 computers. Stumbled across endpoint protection, but was wondering if you needed a server to deploy ...
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0answers
21 views

How do I detect type of proxy

I have a proxy connection to one server. I need to know the type of proxy is it https tunnel or is it a standard ssl web proxy? How do I can do this? Note: This proxy is created inside of a ...
17
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1answer
2k views

Can I detect sniffers in monitor mode on my Wi-Fi?

Attackers can sniff Wi-Fi networks in monitor mode to intercept the data without connecting to the router. Is it possible to check if somebody is sniffing my network?
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2answers
52 views

folder security, cannot access .. Permission denied, huh?

Okay, here's the thing .. I'm having trouble accessing a certain folder despite correct security settings (at least I think so). What am I missing ? Some details: Using Raspbian, that would be ...
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0answers
68 views

undocumented SID structure on windows 10 [S-1-19-512-4096]

regarding this question: Cannot write on WindowsApps directories and restore files After hitting to wall trying to restore some files inside this directory c:\Program Files\WindowsApps\ on windows ...
1
vote
1answer
72 views

Does HTTPS/SSL make sense on a local network?

I wonder if I should enable HTTPS/SSL on web servers in my LAN. Which opportunities does a sniffer/man-in-the-middle have in a local area network, where devices are usually connected by switches? Is ...
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0answers
71 views

Self-Encrypting Drive (SED) and S3-suspend (sleep)

since my laptop is aging, but I love its 4:3 screen, I don't like relying on external media (also no USB 3 ports), and SSDs are too small for my budget, but I want full encryption (previously ...
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0answers
50 views

Chrome HSTS Error: ERR_CERT_AUTHORITY_INVALID

I am using a self-signed certificate on my openmediavault setup. On Firefox, there is an option to add an exception to that, but on Chrome it complains with the error code: ERR_CERT_AUTHORITY_INVALID ...
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1answer
42 views

I find conflicting answers - malicious code from pop-up buttons - not downloads [closed]

I've been digging around for (cumulatively) several hours trying to find an answer on this and I find conflicting ones. Say, using Chrome, you get redirected to a scam website (You've got a virus!! ...
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0answers
36 views

Edimax AR-7286WnA - Rom-0 Attack and all services disabled

Got an Edimax AR-7286WnA, dns pointed to malevolous. I'm using the google dns on all devices, but a virus redirect all my requests to tradeadexchange and then to a FlashPlugin fake update page that is ...
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2answers
51 views

How to login ssh without a password using the ssh host key?

I want to login to this machine, but I just have an ssh host key, not a password. Example from nmap: | 1024 b6:00:e3:71:8c:a3:4e:e4:8b:9a:b5:c2:68:86:de:82 (DSA) |_ 2048 ...