All Questions

15
votes
3answers
437 views

Are there any decent web app security scanners that can integrate with a build server?

I've spent a lot of time in TeamCity recently and the nightly code quality metrics coming from the dupe finder, FxCop and NDepend have been great. What I'd really like to do is find a decent web app ...
7
votes
1answer
481 views

SSH Brute Force Dictionaries

Request for logs please. So, I had an interesting question posed to me around geographical trends in SSH brute force attempts. The question being "has anybody ever looked into the prevalent SSH ...
21
votes
7answers
4k views

Port Knocking is it a good idea?

Normally for a server I like to lock down SSH and other non-public service to only be accessible by certain IP addresses. However this is not always practical if the business doesn’t have static IP ...
12
votes
2answers
255 views

Establishing routines on what to do if a PC gets stolen

I need to establish routines for how to handle theft of PC equipment, specifically laptops and stationary machines. Also I need to figure out how to make the consequences of stolen equipment minimal. ...
8
votes
1answer
775 views

What were the specific security flaws with OAuth 1.0? How are they being addressed in 2.0?

I read an article documenting Twitter abruptly pulling its OAuth support back in April 2009. The article said it wouldn't specify the hole for security reasons, but mentioned "social engineering" is ...
11
votes
6answers
2k views

Is there a security risk running web apps in debug=“true”?

This is a copy of the original question on Stack Overflow which didn't get much love and is probably more relevant here: There are plenty of performance reasons why apps shouldn't be run in ...
9
votes
4answers
816 views

A firewall without any extra features [closed]

I have Kaspersky Internet Security (KIS) installed on my system. I always keep it disabled, yet using a few practices, I kept my system virus free for years: I disabled autorun using these tricks; I ...
0
votes
1answer
476 views

JUNIPER Junos Pulse - how to apply policy to device

we'd like setup and use Juniper Junos Pulse at iphone and ipad for access to Corporate mail. we have juniper SA, prepare policy, but Question: how to apply policy for device?
24
votes
5answers
10k views

Where to get an SSL certificate for personal website?

I would like to use https to login to my personal webpage (which is on shared hosting). So I went over to google and started searching for sollutions. Eventualy I found out that I need an SSL ...
13
votes
5answers
569 views

What is the potential impact of the alleged OpenBSD IPSEC attack?

Recently there is a bit of concern over encryption back doors in IPsec and while the status of this has not been confirmed, I don't know what impact something like this might have. For instance, does ...
16
votes
3answers
995 views

What techniques and tools do you use to relate security events?

You have central logging going, detailed app logging/alerting (e.g. modsec), network based security alerting (e.g. snort), and whatever else feeding your observation deck. Do you have any cool ...
5
votes
3answers
383 views

Are Windows security updates audited?

An IT guy said that in his company, the Windows updates (small security updates that are downloaded automatically by the Windows autoupdate) are checked by the auditor. ie: the auditor checks if every ...
8
votes
2answers
212 views

Retaining institutional knowledge of a complex infrastructure (checkpoint, juniper, etc)

In the next month my functions will be expanded to include IT security (firewalls, VPN, PKI) in a big complex infrastructure. Can I ask you for advice on how-to be well prepared for it? What sorts of ...
22
votes
2answers
4k views

MySQL Server Hardening

Following the hardening theme.... What are some best practices, recommendations, required reading for securing MySQL.
8
votes
2answers
253 views

Practical DRM for pdfs

An organization I am consulting for is trying to find a DRM solution for an ebook that they publish internally. It is in pdf format. Does anybody have experience with DRM for pdfs, and if so, any ...
4
votes
2answers
1k views

On iOS, what's the benefit of OpenSSL over using CFStream, CFNetwork etc. for secure sockets?

I asked this already on Stack Overflow, here. I was told I might find answers here.
15
votes
2answers
2k views

GnuPG/OpenPGP Key Practices

I'm looking for input on GnuPG (gpg) best practices. It's been discussed some on the gnupg-users mailing list, but I wanted to get as diverse a view as possible, so I thought to bring the topic to ...
8
votes
5answers
5k views

Can I block based on Mac Address?

Incase of dynamic IP's the hacker can work around by taking a new IP or use a Proxy, is it possible to make a ban based on Mac Address ? I want to block at the Webserver level so that unwanted users ...
19
votes
3answers
383 views

Isn't openid with http an issue?

Many openid enabled sites default to http identifiers, even if the openid provider supports https (such as myopenid.com). Does this pose a threat beside the identity being exposed? The second step of ...
6
votes
3answers
1k views

PHP mail() Header Injection Prevention

This site nicely explains the problem. Essentially, nearly all php mail() examples that are given are vulnerable to header injection attacks. The referenced site gives a regex sanitation solution ...
27
votes
1answer
6k views

iOS Encryption Details

Following on from this question Does anyone have any details/resources on the technical specifics of how apple implement encryption on their iOS 4.x series devices? The Apple marketing material here, ...
9
votes
5answers
711 views

When brute-forcing DES, does knowing something about the plaintext help?

Data Encryption Standard (Wikipedia) I know that with brute force there are 2^56 possible keys to check (56 bits, each either a 1 or 0). But let's say I know the message itself is only made up of ...
14
votes
3answers
4k views

Forced into using a static IV (AES)

We've had to extend our website to communicate user credentials to a suppliers website (in the query string) using AES with a 256-bit key, however they are using a static IV when decrypting the ...
8
votes
5answers
901 views

Scripting a search through php files for dangerous calls for manual review

I'm automating a script which searches through all php files on a big site for dangerous commands. The files which are found will be manually code reviewed. Does anyone have any recommendations for ...
10
votes
2answers
624 views

What is a “pre-play” attack?

I understand what a replay attack is, but I keep reading about a pre-play attack. What is it? Is it when someone intercepts an unused message and blocks the sender so they can't finish using it, and ...
16
votes
2answers
1k views

Does an ORM framework such as hibernate completely mitigate SQL injection?

I know that to prevent (prevent all or most?) SQL injection attacks that you should use parametrized queries. I've been using hibernate for a while instead of hand writing my sql statements. Are there ...
16
votes
7answers
5k views

Any comprehensive solutions for binary code protection and anti-reverse-engineering? [closed]

Does anyone know of good products with comprehensive binary hardening and anti-reverse-engineering features? Or better, has anyone seen an independent review comparing products that perform these ...
13
votes
2answers
459 views

Detecting website attack attempts

I am currently trying to implement some recommendations from OWASP AppSensor Project and I'd like to respond to attacker, when he tries to break into my website. Is there any resource ...
5
votes
1answer
357 views

mcollective Review and Security Considerations

The use of PuppetLab's mcollective is being planned by my company's SysOps team. I will be reviewing their use of the tool and implementation of the system. At this point I don't have a lot of ...
10
votes
3answers
662 views

Are there valid reasons for spoofing an address?

This is a corollary to the question Why don't ISPs filter on source address to prevent spoofing?. Are there valid reasons to spoof an address?
9
votes
4answers
1k views

Why don't ISPs filter on source address to prevent spoofing?

I'm under the impression that if all the ISP's were required to filter on the source IP address of all outbound packets, that spoofing would be reduced considerably. Are any ISPs implementing this ...
1
vote
1answer
168 views

What is your experience with AlertLogic?

Do you have any insight, or experience (good or bad) regarding AlertLogic? In what areas can they improve, what areas are they lagging in?
67
votes
6answers
11k views

How much can I trust Tor?

How much can I depend on Tor for anonymity? Is it completely secure? My usage is limited to accessing Twitter and Wordpress. I am a political activist from India and I do not enjoy the freedom of ...
6
votes
3answers
827 views

How do I identify an unknown port/protocol that my IDS picks up?

Googling a port and protocol leads to a terse description at best, and a linkfarm in the average case. Most protocols on assorted, unknown high ports contain little or no plaintext, and often if the ...
6
votes
4answers
819 views

How can a company reduce exposure to packet spoofing? What solution should exist, but doesn't?

I'd like to understand what anti-packet-spoofing technology exists (or should exist) to verify an inbound packet. Maybe this is as simple as a Cisco ACL, Firewall Rule, implemented at the network ...
10
votes
5answers
2k views

Can Javascript/Flash verify the SSL connection to prevent “SSL Inspection”?

I'd like to determine if an SSL webpage is being debugged through Fiddler, or if it's going through an SSL Proxy. So some people may ask What is the point of re-validating SSL using javascript? ...
8
votes
3answers
189 views

What is the state of Security in Comp Sci Programs

In a previous question (How can I keep my programmer collegue informed about security issues ?) there was a statement: "...and I realise that security topics are often barely known from both the ...
16
votes
6answers
1k views

What security risks does IP spoofing bring?

By manipulating the TCP packet and changing the source address one is able to spoof the IP. As I understand it, you will not be able to set up a full handshake by doing this, as you will never receive ...
13
votes
4answers
957 views

How do you handle log analysis?

How do you handle log analysis in your business? I want to establish a good way of finding exceptions and alerts in the server logs, either automatically or semi automatic (having to review ...
13
votes
5answers
453 views

How can I keep my programmer collegues informed about security issues?

I am currently finishing a college degree in programming and I find that security topics are often barely understood by both students and teachers. It leads me to think that there are a lot of ...
6
votes
3answers
435 views

Are there any tools to detect JavaScript-based WCF/AJAX calls?

I'd like to determine if a given JavaScript contains the logic to make a AJAX/WCF call, or determine if one is being executed at runtime. Does anything like this exist?
4
votes
1answer
266 views

Anyone use the International Domain Name (IDN) security mitigation API's? Is there a wrapper for .NET?

The International Domain Name mitigation API's are available here for download: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=ad6158d7-ddba-416a-9109-07607425a815&displaylang=en ...
63
votes
9answers
11k views

Hardening Linux Server

We have already had questions on here about Hardening Apache, Hardening PHP and Securing SSH. To continue this trend I am interested in what steps people take to harden Linux servers. As in what ...
77
votes
7answers
31k views

Is BASIC-Auth secure if done over HTTPS?

I'm making a REST-API and it's straight forward to do BASIC auth login. Then let HTTPS secure the connection so the password is protected when the api is used. Can this be considered secure?
3
votes
1answer
159 views

Security of rails user access/permissions plugins

I was wondering if anyone knows what the most secure user access plugin for Rails is, and if any of them prevent session fixation?
9
votes
2answers
1k views

Malware known to use port knocking to evade detection by network scanners?

Are there any known cases of malware in the wild that utilize port knocking on a backdoor to evade detection by network scanners?
17
votes
5answers
323 views

What questions would the Joel test for Infosec professionals consist of?

See Server Fault and the original test. In other words what are some good questions that an information security professional should ask of a prospective employer? These questions might also lend ...
8
votes
5answers
181 views

Citations for inadvisability of globally unique password

I am looking for an authoritative source to back up my position in a disagreement over password policy. I am having a disagreement with a client about the user identification/authentication process ...
12
votes
4answers
1k views

MS-SQL Password Storage

What would be your recommendation for replacement of an MD5 hash approach to password storage within an MS-SQL database be?
18
votes
8answers
1k views

How to protect against brute forcing

How do you properly implement defenses against brute forcing? Is it best to store how many times someone tried to log in and block them after X attempts? And how would "someone" be identified? With ...

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