Defense is the use of security countermeasures to protect the integrity of the information assets in an IT system and/or infrastructure.

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20
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7answers
2k views

When do honest people need privacy or anonymity? (e.g. they have nothing to hide) [on hold]

I'm having a discussion with someone who thinks they don't need technical measures of privacy or anonymity. Common arguments against needing to care about privacy or anonymity include: Everything ...
0
votes
2answers
434 views

How to post comments on websites without being traced back

Just trying to get some general sense about the security on internet now-a-days. There are so many websites I go and comment on different things. If some comments are political and they don't like, I ...
2
votes
1answer
218 views

What are the risks of encrypting a database with a single symmetric key

An application is required to store sensitive data* on each user. Additional columns are added to the database which store cyphertext encrypted on the application server. The algorithm of choice is ...
3
votes
2answers
110 views

As a user, how can I defend myself from disclosed unpatched zero-day vulnerabilities?

In the wake of the Hacking Team breach on July 6th, 2015 [1] [2] I heard that some previously unknown zero-day exploits might surface (apparently one for Flash already has). Once these exploits ...
2
votes
1answer
46 views

Defense in depth vs single security architecture

Traditionally, we have been that defense in depth is the best practice approach if we want to secure our premises from security breach. However, I recently read about DoD's Joint information ...
21
votes
8answers
4k views

Is possible to get infected by only staying connected to the Internet (nothing else)?

I have a router and I'm the only user. I have a computer with Linux and a tablet with Windows 8.1. Because of a few problems, I had to reinstall Windows on the tablet. Since I'm a bit paranoid about ...
1
vote
1answer
181 views

Why AJAX is not used to log in?

I'm wondering why AJAX is not used to log in nor register in most of the pages and it's used PHP reloading the whole page. Is it about security, or it's just that it's not practical at all?
1
vote
2answers
87 views

Cheap and efficient strategy to protect against professional attack?

With things like NSA or state sponsored attack, it seems that no one is safe from a technical point of view. Is there any efficient method or strategy to protect against them? My guess is that ...
1
vote
1answer
140 views

Using SSH Private keys in Production environment

I have a need to scp a bunch of files from a production box to my development environment. I am a developer and have limited read access to the production machines. Instead of entering password for ...
1
vote
1answer
2k views

Nowadays, what is the difference between Cyber Security and IT Security? [closed]

Lately (and not so lately), you can hear a lot about cyber security. It is really hard to find an official description about this matter so, let's take the ISO 27032 description: "Cybersecurity” ...
0
votes
2answers
160 views

Advice - When just starting your career, what are the best certifications to eyeball? [closed]

Im just starting out in school to study Network and Info Security. I know this is the field I want to invest my time and study into. Well over 200k security jobs went unfulfilled last year. My ...
1
vote
0answers
19 views

Transaction without 3DS in some online websites is Fraud prone? [duplicate]

I use my MasterCard credit card for online transactions which uses SecureCode for preventing online frauds even though hackers knows our credit card details. I have come across many sites which is ...
4
votes
3answers
188 views

Letting users pick up where they left off…without logging in (is this bad form?)

I have a Grails app I'm working on that allows users to fill out a fairly lengthy application form. One of the requirements I've been given is to NOT require users to log in or create any sort of ...
78
votes
12answers
11k views

What is different about being targeted by a professional attacker?

It is often said that security tools such as firewalls, antivirus programs, etc. are only effective against random, untargeted attacks. If you are specifically targeted by an intentional, professional ...
10
votes
5answers
2k views

Should a website limit characters that can be entered in its fields?

I got into a (somewhat heated) discussion with my colleague today about what characters our application should accept. This was prompted by the discovery that you can enter anything in the search box ...
0
votes
2answers
93 views

Need some docs that say we shouldn't upper the string when saving it as a password [closed]

I'm trying to find on the Internet some manual, guide or policy secure about applications should not convert lower string to upper string to store as password I mean, don't make ...
21
votes
2answers
4k views

Guidance for implementors of HTTPS-only sites (Server side)

The recent trend in HTTPS attacks is to attack the HTTP protocol. What should I do to increase my site's security if the only protocol I want is HTTPS? Some easy to implement ideas are Implement ...
2
votes
2answers
137 views

Which hard disk encryptions schemes are tied to the original hardware?

When using a laptop, an encrypted HD/SSD can be an important security measure. However, laptops are prone to accidents (fluid spills, dropping on the floor, etc) that may mandate some or all of the ...
13
votes
1answer
330 views

Should a server be considered compromised simply because a port was open?

Earlier today I received a notification of a security incident at Mandrill. At first I was concerned, but then after I dove into the details I became confused as to why they considered this noteworthy ...
1
vote
1answer
81 views

Why should we focus on protecting root access on a home computer?

I understand why root access should be protected in general, especially in the context of a server environment. An unknown party can essentially control everything you do on a computer remotely ...
0
votes
1answer
363 views

Recent “attack” to my server that might be using shellshock exploit

I just notice this repeated entry in nginx log: 31.184.194.114 - - [04/Mar/2015:10:29:53 +0700] "GET /cgi-bin/up.cgi HTTP/1.1" 301 178 "-" "() { :;};/usr/bin/perl -e 'print \x22Content-Type: ...
8
votes
3answers
1k views

Is there a best practice to handle vulnerability scanning attempts?

We've found a number of attempts to access non-existent pages in our IIS logs, specifically a lot of variations on phpMyAdmin URLs. My kneejerk reaction would be to block these IPs, but I have a ...
2
votes
1answer
79 views

Internal network security policy for development environment

What are the best practices for network security for an internal development environment. Besides adhering to updates, antivirus, and firewall. For instance, is it recommended to use an IDS/IPS like ...
-1
votes
1answer
55 views

Known Windows vulnerabilities vs actual exploits on Microsoft's websites?

Although some of Microsoft's servers are running on Linux, at least half is running Windows Server of some kind. I'm trying to understand how with so many unpatched and unresolved vulnerabilities in ...
2
votes
1answer
72 views

How to prevent browser from rendering malacious content if request or response is hacked

We are currently working on OWASP security fixes and we identified one attack scenario for which we are trying to figure out a possible solution: User hits a valid HTTPRequest to our application. ...
5
votes
1answer
165 views

Is there a “security fail forum / website” with lessons learned?

I have done some searching, and cannot seem to find this. Does anyone know of a "security fail forum" that lists embarrassing and / or damaging results from lack of security practices? I would like ...
7
votes
1answer
482 views

What are some good ways to secure personal computers

I see that many topics here are related to securing data, equipment at an enterprise level. Good advice includes stuff like blocking all unused ports, allowing only whitelisted traffic and installing ...
2
votes
3answers
103 views

Security coding training best approach

To train the development team, there are various options one can take: inhouse presentation with code samples, CBTs so developers do it at their best time, instructor-led courses onsite or inhouse ...
0
votes
2answers
3k views

Trying to get rid of hackers who have access to all my devices [closed]

What is the best way to go about getting rid of hackers that have gained access to all my personal computers, (both old and recently purchased) phones, and even random computers I use to simply get ...
3
votes
2answers
106 views

Should a 2FA recovery key be stored along with a password?

Many websites give you a recovery key or a list of recovery codes that can be used in place of 2FA tokens if you lose your phone or can't access your token generator. What are the recommended ...
3
votes
4answers
298 views

How effective are password checking websites? [duplicate]

I typed the following password in howsecureismypassword.net: yummy candy yummy It said it would take 100 billion years for a personal computer to crack. Is this accurate? Even though it has English ...
0
votes
1answer
49 views

Is a government entity capable of establishing a secure virtual currency system? [closed]

After reading about BitCoins, I can't help but contemplate the idea of the a government withdrawing paper money and bringing all currency transactions digital, via a bitcoin-like method where every ...
-2
votes
2answers
320 views

Life in cybersecurity: How do I get there? [closed]

I am 17 years old and my ultimate job goal is a cyber security professional. I have been extensively studying TCP/IP, along with all other subjects in the CompTIA Network+ certification which I hope ...
6
votes
4answers
6k views

Is the US military secret network SIPRNet physically or cryptographicaly separated/secured?

I've read the Wikipedia articles on SIPRNet and NIPRNet (which are pretty light on details) and they are supposed to be considered separate. At the network level, are they technologically ...
11
votes
2answers
1k views

What role does clock synchronization play in SSL communcation

We've recently implemented WS Trust security over SSL for our client / server communications. Our application is used by thousands of our customers, spread out all over the world. One of the ...
1
vote
0answers
67 views

About Windows Interactive services Security

I know most services run under non interactive windows station or desktop also called session 0 while as some services (interactive) running under local system account create a window on interactive ...
-1
votes
1answer
126 views

Measures that must be taken to protect online banking website [closed]

I building an online banking service in ASP.NET and my objective is to implement all possible security measures. Currently at database level I am using RES 2048 bit encryption to encrypt database ...
1
vote
4answers
541 views

Is there any defense against Brute-Force done on a local encrypted file?

Let me start off by saying I don't know very much about encryption, hashing, cracking, etc. I'm just a typical computer enthusiasts, programmer and researcher with many questions. So, I've discovered ...
-2
votes
1answer
140 views

Forensic Question Invisible User [closed]

I was able to create an invisible user in windows 7 and 8.1. The user is not visible at the login Screen, I added it to the SYSTEM account group and Remote desktop Users Group, The Administrator can ...
1
vote
1answer
177 views

Clarification about the post: Russian hackers use ‘zero-day’ to hack NATO, Ukraine in cyber-spy campaign

I have encountered the following article on Washington post: Russian hackers use ‘zero-day’ to hack NATO, Ukraine in cyber-spy campaign. As always in such kind of articles the publication sounds ...
0
votes
2answers
434 views

future of graphical password authentication [closed]

I'm a student currently pursuing my Engineering in Computers. I'm planning to put all my knowledge in and try to actually implement something related to security. To be more specific I'm more ...
15
votes
6answers
6k views

My IP address (with a NAS) is targeted by a hacker. What to do? Should I be worried?

I've noticed, based on the logging of my NAS, that my IP address is targeted by a hacker. I already took action by automaticly ban the IP address permanently after five unsuccesful login attemps. ...
0
votes
1answer
70 views
1
vote
2answers
84 views

Firewall Security vs Anti-Virus

Overview of my question I want to create a secure Window's system without the use of an Anti-Virus program. Whilst I know there are many on-demand and live-scanning anti-virus programs readily ...
0
votes
1answer
189 views

Keyboard “eavesdropping” just got way easier, thanks to electromagnetic emanations

Just found this article which basically suggests that electromagnetic emanations can be used to eavesdrop on what you're typing. ...
4
votes
2answers
173 views

How do I check if a script is safe to run?

I've been using NoScript for a couple of years now but I can't seem to figure out which scripts are safe to allow and most of the time I just temporarily allow all the scripts. Is there a way to check ...
6
votes
2answers
233 views

Where can I “hide” easter eggs for students learning about Linux security?

I feel like this isn't the best place to ask this (since there's no single right answer), but I can't think of a better place. If you have a better recommendation, could you please recommend it and I ...
-3
votes
2answers
512 views

Time it takes to crack a password on site like yahoo [closed]

I have a question. If you were using a password brute force/dictionary attack utility on a site like yahoo or another site, how long would it take to crack a password like Jah13Wootiang if Wootiang is ...
2
votes
3answers
142 views

Example of application that doesn't require “strong authentication”

Does anyone have any examples of real-life applications that doesn't require "strong authentication". I am looking specifically for blog posts or even scientific papers that argue that "strong ...
1
vote
2answers
75 views

secure flash update

The default method for updating flash is through Adobe's unsecured http portal, which seems to be a serious security concern, given the access that flash has on a user's machine. Can anyone recommend ...