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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2answers
141 views

How to respond to Cyber Bullying? [closed]

I am trying to learn about Cyber Bullying and I was thinking that if in future I get bullied, then what I can do? I have learned how to use Maltego, but if someone damages your reputation, then is ...
3
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2answers
72 views

Difference between secure design patterns and a generic coding guidline?

Is there a difference between secure design patterns and a generic coding guideline from which you can derive a technology specific coding guidline? Patterns like "authentication", "secure sessions" ...
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2answers
302 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 ...
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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 ...
0
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2answers
219 views

Programming languages for security? [duplicate]

I am a computer science student interested in the field of security and just had a few questions. What are the pros and cons for using C# for security purposes, I had assumed applications programmed ...
0
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1answer
67 views

Do software systems become more secure every year? [closed]

It seems to me that computer software is becoming more secure every year - there are fewer zero-day exploits to be found, many hacker-proof concepts are becoming widespread (such as virtualization and ...
1
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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
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1answer
108 views

Which is considered the first Cyber Security incident? [closed]

No matter we are talking about Information Security, or cyber security or IT security... I always hear first about "the moth" being the first security threat. But I don't believe it is when talking ...
3
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1answer
95 views

Similar products to MS EMET [closed]

Following the weekend announcement from Microsoft regarding the vulnerability in IE I have been looking at additional security defences for our endpoints. I've read some technical documentation and ...
0
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1answer
89 views

A demonstration of the most basic form of a data breach or similar attack

I am currently working on my bachelor thesis regarding cloud security and found this neat article describing the "Notorious nine" written by the CSA: The notoruios nine I am looking to try out some ...
4
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3answers
181 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 ...
7
votes
3answers
174 views

Server Infection: post-cleanup best practices

I've read through How do I deal with a compromised server? and have followed the steps to cleaning-up/mitigating any future damage. I'm just wondering if there are any post-clean up steps that are ...
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2answers
202 views

How to know what personal information companies know about myself

I've been learning about Cyber Security and how to protect myself online after reading some books on the subject and I want to know how much Information i've handed out to companies.
2
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1answer
53 views

Method/program for editing secure files

I'm not entirely sure if this is on-topic for Security.SE, but it doesn't seem entirely off-topic either, so I'll try. :) I keep a couple of (GPG-)encrypted files with more-or-less sensitive ...
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1answer
924 views

A clear definition for procedural security controls? [closed]

Can you please provide a clear definition for procedural security controls? Are operational and procedural security controls synonyms? Thanks
2
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2answers
337 views

What is the current best practice to secure an executive's laptop?

What is the current best practice to secure an executive's laptop? The exec will be processing highly sensitive documents (high-value bids, merger & acquisition info, technical specs). As such ...
2
votes
3answers
367 views

OWASP escaping recommendation - why /?

In OWASP recommendations regarding escaping untrusted input for HTML element content, they list the following: & --> &amp; < --> &lt; > --> &gt; " --> &quot; ' ...
2
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1answer
339 views

Localhost WebSocket defense

If a malicious application has found its way onto a computer running a localhost only WebSocket server, would it help if the communications used SSL? If so, how could SSL fail if a malicious app ...
4
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2answers
2k views

Anti-DoS WebSockets Best Practices

What are the best practices for thwarting DoS attacks for a WebSocket server? Is there a comprehensive site or document that can be referenced?
1
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1answer
92 views

Ideal cryptocurrency digital signature

What are the characteristics of the ideal digital signature for cryptocurrency transaction verification? The reason I ask is because this answer about bitcoin signatures describes a potential ...
1
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1answer
298 views

List of social engineering hacks and defenses [closed]

Sorry if this question is absolutely stupid or irrelevant, but I can't help but ask. I am just curious about different approaches hackers take in social engineering attacks, and clever examples of ...
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2answers
494 views

Defend against HTTP fingerprinting [closed]

I'm looking for ways to defend against common fingerprinting techniques used by hackers to identify what kind of setup my website is running on. I understand this is a complicated topic, and every ...
1
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1answer
2k views

Why Qualys SSL Server Test is giving me 80 and not 100 in Key Exchange?

My openssl ciphers -v 'CIPHER' output is the following: ECDHE-ECDSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=ECDSA Enc=AESGCM(256) Mac=AEAD ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=RSA ...
3
votes
2answers
287 views

Is it true, that using symetric encryption, if attacker knows encrypted text, original message, and algorithm means he can calculate the secret?

I am a newbie in the security field, so sorry for the naive question. In my understanding, using symetric encryption, if attacker knows encrypted text, original message, and algorithm means he can ...
9
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1answer
1k views

Do any Exchange hardening guidelines recommend disabling OWA Webready? Should they?

For the fourth time in over a year, Exchange OWA has put our internal network at risk due to a remote code execution flaw that exists on the server runtime. This risk is compounded by the fact ...
11
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4answers
2k views

How effective are anti-virus products against real-world threats?

In a recent interview† with Dave Kennedy, he in passing pegged the average effectiveness of anti-virus products as detecting approximately 3% to 5% of current active threats. While AV comparisons ...
5
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4answers
3k views

Is it better to choose a single vendor or multiple vendors

A discussion came up at work recently and a debate ensued regarding choosing a vendor. Several people were of the opinion that it is smarter and easier to choose a single security vendor for all our ...
5
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1answer
184 views

CSRF protection - 'back pages'

OWASP suggests that when implementing CSRF protection any attempt to go 'Back' in the browser will cause issues as Interaction with this previous page will result in a CSRF false positive security ...
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2answers
2k views

When, exactly, should old password reset tokens be deleted?

I'm trying to figure out best practices for working with password reset tokens. Say a user initiates the password reset process and the are emailed the reset token and we store a hashed copy in the ...
4
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4answers
2k views

Database hardening techniques

So as I understand it database hardening is a process in which you remove the vulnerabilities that result from lax con-figuration options. This can sometimes compensate for exploitable vendor bugs. ...
7
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2answers
212 views

Are temporary blocks sufficient response to network probes?

We have the option of using an automatic blocking feature of our firewall to temporarily block the source IPs of network probes. It is fast and automatic, and it expires after a set amount of time. ...
2
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2answers
136 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 ...
7
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1answer
891 views

Have any viruses leveraging the GPU been discovered in the wild? What is the mitigation?

This news article from 2010 discusses how a GPU can be used by a virus to avoid detection by common anti-malware/anti-virus software. The idea is to obfuscate the virus payload and leverage the GPU's ...
3
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1answer
297 views

Can TLS Compression be enabled on 3rd party CDN sites that have no authentication?

In this answer, @Thomas Pornin talks about remediating the CRIME attack and says: (It is a shame to have to remove SSL compression, because it is very useful to lower bandwidth requirements, ...
2
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3answers
165 views

How to tell what viruses are covered by your anti-virus software

One of our corporate twitter accounts recently started sending out DMs to its followers. Looking at the content of these it seems we'd become infected with Troj/Mdrop-EML. All computers on our ...
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2answers
367 views

Practical ways to protect against Cyber Pearl Harbor? [closed]

What practical methods should citizens be using to protect themselves against, and reduce the impact of an attack against critical national infrastructure A lot of recent news about critical network ...
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7answers
1k views

How does formal verification guarantee secure, error-free code?

I've read that code is formally verified by constructing a mathematical model of the code, and then a formal proof is provided to demonstrate that this model meets certain requirements. How does ...
7
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5answers
585 views

How to prevent pay per show/click abuse?

We have a webapp. 3rd party websites put our banners on their pages (banner is a snippet of HTML). They are paid for it using "Pay per click" or "Pay per show" methods. So 3rd party website's owners ...
210
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3answers
50k views

CRIME - How to beat the BEAST successor?

With the advent of CRIME, BEAST's successor, what possible protection is available for an individual and/or system owner in order to protect themselves and their users against this new attack on TLS?
6
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3answers
2k views

What can a hacker do when he has physical access to a system?

I mean, I'm a tech guy here in my region (not a hacker...). When I sit in the front of another person's PC, I notice a little fear about what I can do in the system. It's obvious that I will not ...
4
votes
2answers
225 views

Most secure response for a server to return to a user scanning for exploits

I have ASP.NET servers hosted in IIS, regularly i see bots attempting to scan my server searching for outdated versions of phpMyAdmin, mysql etc. Currently these requests all return 404 because ...
21
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5answers
81k views

What can a hacker do with an IP address?

I have an internet connection with a static IP address. Almost all staff in my office know this IP address. Should I take any extra care to protect myself from hackers?
5
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4answers
398 views

Automating Social Engineering Prevention

Being an advocate for DIO (defensive information operations), I have always been concerned about social engineering and its relation to server security. Giving administrative access to staff members ...
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2answers
522 views

Application of Bayesian network for Web Application Security

How can a Bayesian network be used to perform attack analysis of web traffic? I read an interesting article on its application. "Web Application Defense with Bayesian Attack Analysis" but I was not ...
4
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1answer
1k views

How to detect cookie stuffing attacks?

So the question is how to detect cookie stuffing attacks and how to protect against them? In case of image-based cookie stuffing I can detect that related resources are not loaded and therefore ...
1
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1answer
501 views

Are there any security issues with importing mail via POP/IMAP?

I'd want to design import mail functionality for an email provider. The process is: user enters email and password for another service at my site and then site accesses another email provider and ...
4
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3answers
443 views

How would one make a network resistant to the unknown?

I play in a game which includes normal risks, but also a wide range of supernatural powers which could affect the security of a network. These may be as prosaic as a retrieving data directly from a ...
7
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1answer
474 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 ...
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1answer
185 views

What does Bluffdale mean for privacy?

I posted a question related to tracing webserver attacks over here and the responses got me google-ing. My understanding has always been that privacy is dead and that essentially there's always ...
3
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3answers
189 views

A way to secure hyperlinks on websites

How do you think could we secure hyperlinks pasted by users on website's forums, comments, blogs against bad links/leading to malware etc.? I thought about google safe browsing, projecthoneypot. Did ...