Questions tagged [threat-mitigation]

The elimination or reduction of the frequency, magnitude, or severity of exposure to risks, or minimization of the potential impact of a threat or warning.

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61
votes
5answers
92k views

What can an attacker do with Bluetooth and how should it be mitigated?

What are the security risks of Bluetooth and what technologies and best practices should be used to protect my device? What can an attacker do once a malicious device is paired with mine? ...
56
votes
11answers
13k views

Are there “secure” languages? [closed]

Are there any programming languages that are designed to be robust against hacking? In other words, an application can be hacked due to a broken implementation, even though the design is perfect. I'...
48
votes
13answers
42k views

DDoS - Impossible to stop?

Is it possible - in theory - to stop1 a DDoS attack of any size? Many people claim it's impossible to stop DDoS attacks and tell me I just shouldn't mess with the wrong people on the internet. But ...
57
votes
9answers
7k views

What can a company do against insiders going rogue and negatively affecting essential infrastructure?

In 2013, a Citibank employee had a bad performance review that ticked him off. The results were devastating: Specifically, at approximately 6:03 p.m. that evening, Brown knowingly transmitted a ...
12
votes
3answers
6k views

Preventing a spoofing man in the middle attack?

I was humming along with my usual routine of listening to old Defcon videos trying to understand some of the basics of what's going on in the IT Security world, when I came across one explaining man ...
4
votes
2answers
842 views

Secure Software Development

I'm researching models on building security into the SDLC and so far have come across: BSIMM Microsoft SDL Open SAMM Are there any other documents and resources to look into? Specific tools that ...
45
votes
5answers
6k views

Should web applications that are only accessible from a LAN be held to the same security standards as publicly accessible websites?

Many security measures are intended to protect against hostile users who want to abuse the software or get access to content they don't have permission to access. Things like CSRF protection, SQLi ...
12
votes
1answer
5k views

How does adding a random serial number improve a certificate's security?

This article says: "Finding collisions is a tricky process, since it requires you to muck with the bits of the public key embedded in the certificate (see this paper for more details). Also, ...
11
votes
4answers
2k views

How to stop/detect someone else registering a certificate for my domain

With the proliferation of low-cost automated CAs what can be done to mitigate the attack of someone doing a spear phishing attack to get a login to our webmail system, then using an automated service ...
8
votes
1answer
785 views

Inconsistencies found in OpenID Provider's HTTP Headers. Which one is the most secure that I should imitate in my STS, and Relying Party?

I'm comparing the HTTP headers of the various providers (LiveID, Google, Yahoo, etc) and notice a broad inconsistency in implementation on the sign in page, sign out page, and subsequent pages. ...
18
votes
2answers
1k views

Why does rfc6797 say “An HSTS Host MUST NOT include the STS header field in HTTP responses over non-secure transport.”

Why does the RFC prohibit the server from sending HSTS to the client over HTTP? I can see that if a HTTP client responds to that unsecure HTTP response it might cause that site to be inaccessible ...
59
votes
1answer
4k views

What's the Impact of the CloudFlare Reverse Proxy Bug? (“#CloudBleed”)

In Project Zero #1139, it was disclosed that CloudFlare had a bug which disclosed uninitialized memory, leaking private data sent through them via SSL. What's the real impact?
20
votes
3answers
9k views

What risks do Cookieless sessions have? What are the mitigations?

I'm debating if I should support cookieless sessions in my web app. It would look something like this: http://www.example.com/(S(lit3py55t21z5v55vlm25s55))/orderform.aspx Since the URL is never ...
2
votes
2answers
710 views

Odd url showing up in my pubsub stream, should I be concerned?

Background: Yesterday I started working on a simple metrics dashboard. I have a VBScript on my internal network that queries a database over a VPN from our Vendor. I then do a simple HTTP post to a ...
2
votes
2answers
305 views

Is using cat -v an appropriate way to sanitize untrusted text?

It is well known that a terminal tends to trust things which are printed to it through stdout/stderr, making outputting attacker-controlled data to the terminal a risky action. Is using cat -v an ...
8
votes
2answers
3k 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 ...
6
votes
3answers
620 views

What steps can you take to make offline cracking of SRP harder?

In the aftermath of the Blizzard hack, what steps can I take to make offline cracking of SRP more difficult? My question assumes that your database is already gone and that you implemented SRP more ...
138
votes
12answers
31k views

Is public Wi-Fi a threat nowadays?

In my opinion, arguments we have been using for years to say that public Wi-Fi access points are insecure are no longer valid, and so are the recommended remedies (e.g. use VPN). Nowadays, most sites ...
11
votes
6answers
1k views

What is preventing the widespread common use of MAC-type systems?

Overall question What is preventing the uptake of MAC systems such as SELinux/AppArmor in corporate and desktop computing environments? Why don't you think it isn't already widespread? I do not ...
10
votes
2answers
12k views

Are phone apps vulnerable to XSS or CSRF? (Webview, Phonegap, chrometab)

I need to provide evidence that CSRF or XSS is possible on a phone... using PhoneGap, a Webview, or specifically a "Chrome Tab" or iOS equivalent. I believe in theory this is possible, and mitigation ...
8
votes
1answer
3k views

ASP.NET HTTP Response Splitting Attack

By default ASP.NET checks for HTTP Response Splitting attack when you do Response.Redirect: Response.Redirect("/MySite/Default.aspx?lang=foobar%0d%0aContentLength:%200%0d%0a%0d%0aHTTP/1.1%20200%20OK%...
1
vote
2answers
243 views

How should we mitigate threats that are keep coming to our security monitoring system?

We have continuous cybersecurity threat feeds that coming to our SOC on a daily basis from different sources that provide all the new CVEs, new malware variations and more. We just don't know how to ...
14
votes
4answers
3k views

Possible to prevent Juice Jacking by only connecting USB pins 1 & 4?

According to this accepted answer, there is no phone on the market today that is immune from "Juice Jacking"*. I think an easy way to mitigate this threat is to have a filter that blocks USB pins 2 &...
5
votes
1answer
125 views

What is “half PFS” protection, and what protocols or configurations apply to it?

I'm looking for a list of scenarios and protocols that are vulnerable (or not vulnerable to) half-PFS protection. Half PFS, as I understand it, is where the communication between a client and server ...
2
votes
2answers
3k views

Logging and Metrics for DEP, EMET, and Related Mitigations

Is it possible to collect metrics or generate alerts when one of EMET's suite of mitigations prevents code execution? Ideally I'd want to be able to collect and analyze data to support statements like,...
0
votes
1answer
88 views

How should I detect and respond to bad actors who perform SQL injections?

SQL Azure has a logic component called Threat Detection. I assume it looks for SQL Injection, but also evidence of dangerous commands like sp_exec. I would like to expand that scope, and also ...
3
votes
1answer
1k views

Mitigation Strategies for Response Spliting Attack

I am not going into basics of HTTP response splitting attack as above figure completing describes the working of such a attack. Previous Post have also discussed working of such a attack ASP.NET HTTP ...
2
votes
3answers
1k views

What are the risks of a rogue Access Point? What lessons can be learned from the Wifi Pineapple?

I'd like to educate colleagues and peers on rogue access points using the tool "Wifi Pineapple". What are some specific security-related lessons I could demonstrate? If applicable, what are the ...
2
votes
3answers
946 views

How can I prevent myself from barcode payload attacks?

Recently I came across a tool which can inject payloads into a barcode. How can I prevent myself from this kind of attacks? Attack scenario: The attacker prints vulnerable barcode / sends vulnerable ...