The tag has no usage guidance.

learn more… | top users | synonyms

10
votes
7answers
209 views

What risk rating models are used for calculating risk scores of web vulnerabilities?

What risk rating methods, models, assessments or methodologies are used for calculating or estimating a risk score of vulnerabilities (for example, like described in the OWASP top 10) and which of ...
1
vote
1answer
53 views

Is it a security risk, lack of knowledge for reactive action, when abuse mail is rejected?

When inspecting the DNS configuration for example with dnsinspect.com, the following shows up sometimes (note I used example.com): Accepts Abuse Address WARNING: Found mail servers which are not ...
2
votes
2answers
440 views

Will a crossdomain.xml file reduce a potential security risk?

I maintain a website were users are allowed to upload files. I'm doing already some good MIME-checks, consistency checks, virus checks, blacklist checks based on hash lists, some other custom checks ...
3
votes
2answers
65 views

How to convert risk scores (CVSSv1, CVSSv2, CVSSv3, OWASP Risk Severity)?

Is there an accurate method or formula to convert risk scores between the OWASP Risk Rating Methodology (Overall Risk Severity) and the CVSS v1, v2 and v3 models) base score)? As well as converting ...
11
votes
7answers
435 views

Can I trust DNS servers?

If I use my own VPN and use third party DNS - can I trust it? For example, is there any possibilities that an attacker can track the requests by contacting the DNS-hosting (assume that attacker have ...
3
votes
1answer
32 views

Classifying risk associated with specific users

I understand the concept of classifying our data and associating degrees of risk with different classes of data. My question is this - is there a precedent for classifying users the same way? ...
2
votes
3answers
131 views

Business process based risk assessment methodology for iso 27001:2013 [closed]

I am working on an isms implementation for iso 27001:2013. So far whatever risk assessment approaches i have used asset based in which methodology focuses on asset value evaluation, threats, ...
4
votes
3answers
187 views

Why is it dangerous to let an internal server talk to the internet (to a specific IP)?

Sort of a basic question, but if we have an internal server and want it to talk externally, for example to get new packages. This environment normally does not have access to the internet. I've heard ...
3
votes
0answers
45 views

What are the security implication of implementing an IVR functionality in my application?

I am planning to implement an Interactive Voice Recognition (IVR) functionality in my python-based application. I will be using IVR as a backup verification method or when a user is going to setup her ...
4
votes
1answer
47 views

Is there a security risk using a Symmetric-key for both encryption and HMACing

I am proposing to use an AES key to encrypt some data to send to a third party and in a completely separate operation/flow use the same key to create a HMAC of a message to send to the same third ...
2
votes
2answers
30 views

What are the risks of running Team Fundation Server on HTTP?

if TFS is installed using HTTP but only accessible from inside a LAN with Windows authentication, is it possible that a user impersonate someone else? what are other risks?
3
votes
1answer
384 views

What are PHP allow_url_fopen security risk?

Recently I was reading an article about file_get_contents and HTTPS. One part that caught my attention is: Of course, the allow_url_fopen setting also carries a separate risk of enabling Remote ...
1
vote
1answer
114 views

How could one determine if a web page is vulnerable?

Suppose that we have a web page. This page could be vulnerable to any attack such as SQLI. By looking the HTML code of the page, we can find some input elements that could be used by attackers to ...
1
vote
0answers
104 views

What are the risks of adding third-party Root CA certificate into NTAuth Store?

What are the risks associated with importing a third-party Root CA certificate into the Enterprise NTAuth Store in a Windows Active Directory domain? (Except that the CA is then trusted to issue ...
13
votes
6answers
869 views

Looking for Information security / risk management table top or card games

I am looking for table top or card games related to risk management or information security. A kind of "serious" game that can be used as a teaching tool of infosec/risk management. I know only about ...
2
votes
0answers
46 views

Risks associated with switching ISPs/Telco providers

What are the risks associated with switching Internet Service Providers and/or Telco providers (i.e. Telstra -> Optus), if any? This is in relation to a larger organisation with a wide area network.
2
votes
0answers
100 views

Suspicious web-application requests containing encoded JavaScript function(?)

I've been seeing some odd traffic in the logs for a web-application (Apache) that I'm wondering about, and I'm hoping that someone here has seen this before. The raw requests were variations of: ...
0
votes
1answer
69 views

What is a good risk assessment for different types of online file references?

Personally I'm a big fan of hosting everything myself, just because of the privacy aspect. For that reason I try to use external files as least as possible. Nevertheless, I'm wondering if it is a ...
12
votes
5answers
5k views

When registering for most websites, why do you need to confirm your email address?

I'm working on a site which allows users to sign up for a service. They choose a username/password, enter their personal details, etc and proceed into the site, their details being stored for future ...
11
votes
4answers
2k views

Are short usernames a security concern?

I was somewhat suprised that the sysadmin approved a one-letter username like "m" and my username is also short ("nik"). I think that if usernames are brute force attacked then the username should ...
18
votes
3answers
3k views

How to convince my management of a physical security risk?

While I do not claim to be an expert in all things security based, I'd think that I have a good grounded knowledge of what is acceptable and what is not in regards to digital security. After giving ...
1
vote
1answer
1k views

Relationship between CVSS and Risk Level in Nessus output data

In a Nessus output file, does the Risk Level (e.g. Critical, High, Medium, Low, None) depend on the CVSS score? What relationship, if any, do the Risk Level and CVSS have? Thank yo
13
votes
5answers
675 views

What is the risk of giving USB drives as promotional items by a healthcare provider

There have been a couple of instances where malware infected USB drives have been given away unknowingly as promotional items at conferences, e.g., IBM in 2010. Besides this, if a healthcare company ...
1
vote
4answers
310 views

If malware was detected in browser local storage does computer need to be nuked from orbit

I haven't used Windows partition since mid-June and I booted the system once again just a few days ago. My first action was as usual update all programs marked to be updated (including Windows updates)...
1
vote
1answer
282 views

I left my debit card unattended — how exposed am I?

I yesterday visited a restaurant I usually visit, but it seems that after paying with my debit card, I accidentally left it there. Today (almost 24 hours later) I had realized that I didn't have it ...
7
votes
3answers
658 views

What are the risk implications of not verifying referer header on login form?

Imagine a generic web application with a login form to access the application. Regardless of how the actual authentication is performed, what are the implications of not checking the referer header to ...
1
vote
3answers
204 views

Is forwarding a port(s) a security risk to all computers on the network or just one?

I know forwarding ports can add some security risk, but if I forward a port to a computer, say running linux, would it add a security risk to all computers on my network or just the one?
-5
votes
1answer
166 views

Is it possible to hack my encrypted session and hijack the session by electromagnetic waves? [closed]

I'm concerned about microwave technologies nowadays and suspicious matter happend. So, I have several questions. Could you tell me about my question in below if you know. Question: Is it possible ...
7
votes
3answers
2k views

Does a working JTAG diagnostics port on Android phone add unnecessary risk?

Not enough people seem to know about JTAG outside the hacker and LEO communities but the short version is that JTAG allows anyone with physical access to your phone to chew their way right into it. ...
2
votes
3answers
464 views

Can risk mitigation controls bring down the impact?

While doing a Risk Assessment, I found that in some old RA documents, after controls have been placed, the Impact in the forcasted value was changed that did not make sense to me. To me the impact ...
-7
votes
3answers
118 views

Download a data file, add it to the database only when certain it's clean [closed]

You need to download an essential data file but the act of downloading carries with it the risk of contamination from say, an embedded keylogger, or worse, that can ruin your day(s) if it takes up ...
0
votes
4answers
179 views

Control over IT security

In pharmacy the safety of drugs is under fairly tight control by national authorities, e.g. FDA in US. The risks of patients taking drugs are thus very effectively minimized, though understandably ...
0
votes
1answer
155 views

Risks of software backdoors [closed]

Risks of backdoors in software are evident ever since Ken Thompson's Turing Award Lecture "Reflections on Trusting Trust". Certainly this applies to hardware just as well. Limiting ourselves here to ...
4
votes
3answers
157 views

Does allowing everyone know when a server process was started pose a security risk?

I recently found that in Microsoft .NET framework an impersonated thread is not allowed to request "time at which the current process was started". This could be done intentionally or this could be ...
0
votes
1answer
113 views

WLFriends encrypted login risk

I recently had created on WLFriends.org which is presented by Wikileaks, I noticed a big thing there that the process of signing up at WLFriends was very distinct from the other normal sites. There, ...
3
votes
1answer
495 views

How big is the risk of hash fixed points/cycles?

It's established wisdom to hash password multiple times with a salt to increase the time it takes per brute force iteration. At the same time (unless the algorithm guarantees otherwise) there's a ...
6
votes
2answers
2k views

Annual Rate of Occurrence (ARO) and Exposure Factor (EF) Data

I'm calculating loss expectancy (SLE/ALE) but where or how does one get data on annual rates of occurrences for various things? From simple hard-drive failure rates to something complex like the ...
5
votes
4answers
523 views

Security of Cloud Storage

What are the main security risks of popular cloud storage services such as Dropbox? I am torn between the convenience of cloud storage and the potential security risk of it. How can I evaluate whether ...