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

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19 views

Windows 8 keeps asking for Admin password for one specific program

I am admin of a Windows 8 PC. I turned UAC off so other users can open programs without my permission and it works perfectly for all the software, however there is this one program (Backgammon ...
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0answers
14 views

How to merge modsecurity rules?

I have this rule: <Location /login.php> SecRule REQUEST_URI "@contains login.php" "phase:5,chain,id:981218,t:none,log,pass,msg:'login attempt for user %{ARGS.loginId} ...
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3answers
49 views

How to make a folder password protected in windows [on hold]

Could anyone please mention about how to make a folder password protected and hide the folder
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0answers
26 views

Locate stolen surface tablet

Similar to this older question Does Windows 8 Surface support stolen device tracking?, but I'd like to locate my already stolen tablet, and the reason I have some hope is... When I viewed my ...
0
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0answers
11 views

Comparing access control tools on linux [on hold]

If I need to limit someone's access, say by IP, there are a few ways to do it. iptables /etc/hosts.allow /etc/hosts.deny routing table, ie route add Which way is the best way to do it? Discussion ...
0
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0answers
20 views

CentOS 7 vulnerabilities

I installed CentOS 7 and I am requested to update some packages due to some vulnerabilities. I can see there are updates for RedHat, and it looks like I can also use the RedHat Network, but I have no ...
0
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1answer
64 views

Is it safe to use TOR on windows? [on hold]

I mean, can I be hacked just by browsing regular sites (not the hidden services) with TOR browser bundle running on a Windows system?
-1
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0answers
50 views

After following multiple guides on disabling sslv3 still vulnerable

I have followed many guides on how to disable SSLV3 such as https://scotthelme.co.uk/sslv3-goes-to-the-dogs-poodle-kills-off-protocol/ added the two registry keys for SSLV3 server/client also chrome ...
43
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2answers
5k views

What do you do if you are being hacked by something coming from a supposedly legitimate IP address such as from Google?

Earlier today I was prompted to use a CAPTCHA—because of suspicious search activity—when doing a Google search, So I assumed either a PC on my network had a virus or something. After poking around I ...
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0answers
12 views

'User' folder not opening on external hard drive due to security reasons [duplicate]

I am running Windows 7 Ultimate 32-bit. I moved my internal hard drive to an external one and installed a new drive in my laptop. After connecting the external drive to the laptop, it opens the ...
1
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1answer
23 views

Are .otf fonts safe to install on Windows?

I've been searching and haven't been able to find anything on this. There are lots of free fonts available online in .otf format. After downloading them, you Right click->Install to install the ...
2
votes
1answer
43 views

How do I get Linux to notify me about failed login attempts?

I have seen it before when you log into a Linux box wrong, when you do successfully log on, it notifies you that someone attempted to log on as you and didn't succeed. What do I need to do to make ...
0
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1answer
12 views

Postscript distill error after removing “eexec”

I'm trying to distill a postscript file that I created. After I open the .ps file in notepad and remove "mark currentfile eexec...cleartomark" and use the Adobe distiller, I get the error message: ...
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1answer
26 views

SSH shared private key: A@box1 & B@box2 connecting to A@box3. SSH Key without passphrase works, with it doesn't. Why?

I have an question about SSH key with vs without a passphrase. I am able to do as follows without a passphrase, but not with: User A@box1 and User B@box2 both share the same private key. Both try to ...
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0answers
18 views

Remove app from System Preferences/Privacy

In OSX the System Preferences / Security / Privacy lists all apps that have tried to access restricted apps like Calendar. Now I have one app which I completely removed from my machine but it's still ...
-1
votes
0answers
11 views

How would I set up an RSA system for login?

I recently managed to get hold of an RSA SecurID chip that I know the keys for. I would like to be able to use this key to log in to my computer. Is there a way I can set up my system to accept RSA ...
0
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1answer
40 views

PDF w/Security - Removing “mark currentfile eexec” trick isn't working when I distill

I'm trying to copy the text from a PDF into Excel. Problem is the PDF is password protected disabling the copy function. The text can easily be copied used Windows XPS viewer, Onenote, and other ...
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votes
2answers
32 views

How can Greenshot (or Imgur) know my video file name via screenshot?

I took some video from Internet, open it with MPC-HC, then take screenshot with Greenshot, then choose upload to Imgur. It gave me the link http://i.imgur.com/EpDN6ap.png Then I change this to ...
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1answer
37 views

Windows security log shows mysterious user logins

In troubleshooting an unrelated problem, I noticed that one user's (Jeny) Windows security log showed several logins and logoffs from another user (Holly). Holly confirms that she logged into her ...
0
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1answer
37 views

Are many sshd/root processes listed by ps, brute force SSH hack attempt?

When doing a ps -efH I see lots of the following, where 14:24 is basically the current system time. These processes keep popping up every minute. root 6851 1 0 14:24 ? 00:00:00 ...
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0answers
14 views

How to know which user removes other users files in same group in my CentOS server?

I have found out that there is a anonymous user in my CentOS server that removes some files that they have write and execution permissions for that group, So I am searching for who is performing this ...
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0answers
35 views

Popcorn Time client tries to access FileZilla files

Recently I wanted to check out Popcorn Time. I can't actually use it in my country but I wanted to check out what all the fuss was about, so I got the client from popcorn-time.se (By now I know many ...
29
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8answers
7k views

Can a file be maliciously changed in a way that maintains its original SHA-1 Hash?

According to this article, and many others, SHA-1 is not secure. In my case, I am not concerned about passwords or digital certificates. I am concerned about file integrity. Is it reasonably ...
1
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1answer
50 views

A BitTorrent Tracker Host's File Access

If a BitTorrent tracker is placed on an arbitrary server, will the people hosting it be able to access the files it is tracking? (Given that they are not able to obtain the .torrent files). As far as ...
0
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2answers
34 views

If a port behind NAT sends a packet to a malicious host, can that host send packets to any open port, or only the port that sent the packet?

For example, a computer behind a NAT router uses Skype. Skype uses port 4000 to send packets to a server to establish indirect connections with other Skype clients. Since Skype had sent a packet to ...
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0answers
13 views

Unwanted Program Files [duplicate]

I have two different files that I have repeatedly tried to delete but it keeps telling me that I don't have the right to delete them from my own computer. The files are Between Lines and TV Wizzard. ...
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2answers
60 views

How do you unprotect the VBA macros for a macro-enabled workbook if you forgot the password?

I have heard myths about how easy it is to crack a VBA macro password, but haven't been able to figure out how to do it myself. We have an excel file at work where the VBA is password protected and ...
1
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1answer
24 views

What are the risks of creating a gnupg private key with no passphrase?

On a multi-user system (linux), I created a private key with no passphrase. I can now encrypt a file and decrypt it locally without supplyng a passphrase. This is very convenient and appears to be ...
0
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0answers
22 views

iptables TCP flags

I'm beginner with iptables and networking so please excuse me for such dump questions. I found in Internet part of filtering malformed packets: /usr/bin/sudo /sbin/iptables -A tcpchk -p tcp ...
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0answers
10 views

Response and prevention to malicious script incurring excessive usage on AWS S3/CloudFront

How does one respond to malicious script, that is continuously accessing the objects in S3/CloudFront on AWS? For example if I have a web page and using S3/CloudFront to deliver static files, the GET ...
0
votes
1answer
41 views

How do I catch a packet sniffer in local area network? [closed]

Actually I am a college student and in our hostel someone is regularly attempting attacks like ARP poisoning which leads to great loss of bandwidth.Please briefly explain the techniques which you ...
0
votes
1answer
124 views

Compromised DigitalOcean Droplet, doing DDoS attack, what is correct process to investigate cause? [closed]

I was informed by DigitalOcean today that my Droplet on there has been disconnected because it was doing a DDoS attack. They've asked me to investigate and find out what was causing it. This was ...
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0answers
15 views

Why does the http/2 specification not compress payload?

I have been recently reading up about the http/2 specification and the changes this specification is focused on? While I am trying under this my self from available material. I have 2 question that ...
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0answers
15 views

Prevent computer from connecting to outside LAN networks

I'm looking for a solution like Restrict Computer from Connecting to Outside Wireless Networks that would also work with wired connections. We have a consultant in our company that sometimes works ...
0
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0answers
20 views

do i need security center enabled with mcafee livesafe?

Will windows firewall/defender conflict with my antivirus firewall/spyware and slow my shitty comp. I have disabled security center and it runs better but am I vulnerable?
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0answers
32 views

How can I pen test undefined ports?

Say for example I ran a port scan that resulted in lots of open ports that were not used for well-known services, and I didn't know what protocols they used to communicate. How would I exploit these ...
0
votes
1answer
35 views

Bitlocker activated on win 8 with USB Key, want to switch to pin

I'm having trouble figuring out how to switch from USB key to pin unlock for my bitlocker protection on my tablet for work. Anybody have any ideas?
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0answers
6 views

KVM accessibility from host machine

We have a KVM Host machine running multiple VMs. I am now tasked to create an instance with very sensitive data. Setting firewall and other OS specific settings is not the problem. Question is: can, ...
0
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0answers
11 views

Do .AppleDouble files on web server pose a security threat?

I already had the AFP server set up my Ubuntu Server machine when I decided to also use it as an Apache web server. I got it set up, then started editing sites over AFP from my Mac. It's been up for a ...
1
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1answer
45 views

Linux Security (plugging gaping holes in old systems) [closed]

I have recently started a new position in a relatively small company and taken lead position on the Linux/UNIX side of things (and windows server/AD etc, but that is beside the point) in our company ...
-1
votes
1answer
53 views

How to encrypt Google Drive on local machine

I'm a Google Apps customer and one of the things I'm using is the Google drive service to sync my files from my work PC to my home. This works fantastic but I have a concern about theft of the machine ...
0
votes
1answer
42 views

How to get browsing history for PC in same network [closed]

I have made a ticket booking recently without creating an account from my office network. After few days, I receive an email saying that my ticket has been cancelled. When I contacted the flight, they ...
1
vote
1answer
26 views

Not able to stream video from my Defender SN500-4CH security system [closed]

I have a Defender SN500-4CH v1.0 security system. For some reason I am not able to see the broadcast on it when I connect it to the world. It would ask me to login, so I put the correct user name and ...
0
votes
1answer
33 views

Accounts hijacked after open wifi network. What now?

So I have been informed that I am sending spam email from my gmail account. I'm currently abroad and I have connected to several insecure connections. What should I do now to restore security to my ...
0
votes
1answer
27 views

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 ...
2
votes
1answer
53 views

Network Security - Potential issue [closed]

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
votes
1answer
522 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: ...
1
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1answer
38 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
74 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?
1
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1answer
64 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 ...