Risk Analysis is a practice used to identify and assess factors that may jeopardize the success of a project or achieving a goal. Security Risk Analysis or Risk Assessment could be Quantitative and Qualitative

learn more… | top users | synonyms

76
votes
13answers
24k views

Why do sites implement locking after three failed password attempts?

I know the reasoning behind not letting infinite password attempts - brute force attempts is not a meatspace weakness, but a problem with computer security - but where did they get the number three ...
35
votes
3answers
2k views

Evaluating the security of home security cameras

My parents have a vacation home out in the country and are looking to setup a home surveillance system for remote viewing. I've heard that there can be serious vulnerabilities in these products. What ...
31
votes
5answers
2k views

How do you manage security-related OCD (i.e. paranoia)?

I did a quick google before asking this, and came up with the following article, linked to from Schneier's blog back in 2005. It doesn't really answer my question though. As society has crossed into ...
15
votes
12answers
940 views

Is this much distrust really necessary?

In IT Security and computer power users there seems to be an excessive amount of distrust. They don't do anything or use anything because of this distrust, or use what seems like an excessive amount ...
14
votes
4answers
239 views

How serious are security concerns of wireless healthcare devices?

Back in 2008 a wireless defibrillator was shown to be hackable. At this year's Black Hat conference a presenter showed exactly how to hack into a wireless insulin pump. Both of these demonstrated ...
11
votes
3answers
429 views

What risk analysis methodologies should I use?

I've heard of FAIR, and that seems pretty great. What other methodologies are there? How do they work? What are their benefits, and their drawbacks compared to others? When is each appropriate? ...
10
votes
0answers
72 views

Should the risk of antivirus products be reconsidered in light of the TrendMicro critical bug report [closed]

Tavis Ormandy of Google has recently discovered a critical TrendMicro design flaw identified in this bug report - TrendMicro node.js HTTP server listening on localhost can execute commands. The bug ...
9
votes
3answers
1k views

How to evaluate a password manager?

How can we quantify the trade-off between password aggregation and convenience? Password managers such as lastpass are convenient, but aggregation of passwords into a common store may reduce ...
8
votes
3answers
5k views

Is CentOS a good choice from a security perspective?

How secure is the CentOS Linux distribution? I noticed there were times when there were no up-to-date patches for some version of CentOS (e.g., 5.6). I read this on some mailing list that I can't ...
8
votes
2answers
1k views

Looking for an open risk assessment methodology

I'm looking for a fully open quantitative risk assessment methodology. Most of the methodologies have usage or licensing restrictions placed upon them. I define open as methodology covered by ...
7
votes
4answers
217 views

How to choose/compromise between data protection, and device recovery?

I'm sure many of you have probably seen (online or in-person) the DEFCON 18 presentation, demonstrating what can happen if you steal a hacker's computer. For those who haven't, the link is below. ...
7
votes
3answers
755 views

Risk Control - Ignored risks and accepted risks

Some say that ignored risks as part of an organization's behavior are much worse than accepted risks. I would like to test that axiom (in the eyes of some). When I am handling a risk and I choose to ...
6
votes
4answers
13k views

How can I detect backdoors?

I have a machine running Mac OS X and I suspect there may be a backdoor installed. I know that I could take it to a professional security firm for analysis, or nuke it from orbit, but I'm interested ...
6
votes
2answers
545 views

Stolen Laptop - Next steps

My laptop (modded 2007 Macbook Pro) was stolen 2 days ago when I didn't pay attention to my backpack in a tourist spot in Europe and while I'm quite certain they won't have much use for it (the apple ...
6
votes
2answers
1k views

Should content delivery depend on FCrDNS (forward-confirmed reverse DNS) look-ups and why?

First, let me clear that this isn't a duplicate of Does deliberately wrong information from a DNS server violate standards generally accepted good practices? thread, as I'm not interested in legal ...
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
1answer
4k views

Security analysis of Dashlane

I've been asked by a user whether I would recommend using the Dashlane password manager. I'm aware that other password managers have had some significant security problems, including XSS and CSRF ...
4
votes
2answers
3k views

Skype security concerns on an enterprise network

I am trying to write a security opinion that may influence policy in the future in the Enterprise-grade network which I work to protect regarding the use of Skype on the networks, and security risks ...
4
votes
1answer
118 views

How to help users manage password portfolios based on risks of compromise?

A framework for modeling password management risks and costs, and the beginnings of a good strategy for users to help them manage passwords for their often large portfolios of accounts is outlined in ...
4
votes
1answer
780 views

IP address filtering vs web application security

We have a web application behind a firewall that requires no user authentication. If we open up access to this application via the firewall to a small list of IP addresses what is the risk of ...
4
votes
1answer
129 views

Dangerous to open a unix socket within www root?

My web server is chrooted into /var/www, and its contents are available over the network. One of my web applications needs access to a unix socket, and so that socket needs to be somewhere in ...
3
votes
1answer
6k views

IPS fail close vs IPS fail open, what are the risks and benefits?

If a desicion is to be be made on selecting a mode of fail for an inline IPS that is protecting servers, what are the criteria that should be considored for selecting one of the failure modes: 1- ...
3
votes
3answers
404 views

Where can I find a collection of Threat Models?

I found a very nice SSL Threat model on this web page and would like to find more on different topics. How would I go about locating more images like these? Is there an organisation or website I ...
3
votes
4answers
2k views

What are the risks associated with SSL interception in an Organization?

If an SSL interceptor is installed for security reasons in an Organization, and a certificate from intermediate CA is installed on all domain machines, what kind of risks this setup presents?
3
votes
2answers
514 views

security metrics on softwares developed

Thinking about software security metrics currently I've thought about the following software security metrics: number/type of CWE detected by developers (bug reporting) number/type of CWE detected ...
3
votes
4answers
348 views

Risk management with software code analysis

I am a programmer by day and I am working on a project that is focused around risk management based on PCI-DSS controls within an organisation. I have been thinking lately that a lot of PCI-DSS ...
3
votes
3answers
623 views

How can I determine whether a website somehow protects against brute force attacks on my password? (assume I can't create an anonymous account)

After the hack of Mat Honan I studied my own laundry list of accounts I have at the numerous web sites I use. There is one fact that stands out: Many of the websites severely restrict the size and ...
3
votes
2answers
282 views

How likely is an infection with an outdated skype on linux? [closed]

Today I found an article about a skype hotfix and noticed that the repo I use on my linux notebook: deb http://download.skype.com/linux/repos/debian/ stable non-free Doesn't have the new version, ...
3
votes
1answer
1k views

How to calculate Exposure Factor?

How can I calculate a single loss expectancy without a given Exposure Factor? Can someone please explain me?
3
votes
1answer
1k views

SCADA, ICS Specfic Testing Tools and Methodologies

I have been contracted to perform a security risk assessment that relates specifically to ICS and SCADA systems. I have performed many IT security risk assessments, however, I am new to assessing ...
3
votes
2answers
110 views

Calculating the time required to brute force a random code

Say we have amount random entry codes of length characters from an alphabet of size alphabet. The number of possible codes is then easily calculated as keyspace = alphabet ^ length. Now take an ...
3
votes
1answer
105 views

Can you securely allow users to create VM's on their workstations

I've moved from a job where developers were encouraged to use technologies like docker and vagrant to create VM's on their workstations for testing and development. At my new job, the IT manager ...
3
votes
1answer
46 views

SOMAP for risk assessment methodology or other Open Source IT Risk Management

Is SOMAP good for risk assessment or it is not in use any more? Is there any other Open Source IT Risk Management?
2
votes
3answers
403 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 ...
2
votes
3answers
1k views

Security Assessment vs. Risk Analysis

What the real difference between IT Security Assessment based on ISO 27001 (or in general other international standard) and qualitative risk analysis? In some way the approach is much similar - ...
2
votes
2answers
4k views

how to identify p2p on network

Im trying to work out if the traffic in the below image is P2P file sharing? If you notice the source ports are all random but the time 17.24 from c.port 58338 runs for a good length maybe about 400 ...
2
votes
1answer
138 views

Is it a security risk to have 'Control + j' functionality enabled in a production instance of PeopleSoft?

The control + j feature within PeopleSoft outputs a list of potentially interesting data for a potential attacker. The feature is generally used to aid in debugging. Here is a the [censored] output ...
2
votes
1answer
803 views

how are CVSS scores used in security risk management products?

From CVSS v2 complete guide : "Security (Risk) Management: Security Risk Management firms use CVSS scores as input to calculating an organization's risk or threat level. These firms use ...
2
votes
1answer
127 views

Historical events in terms of risk assessment

How can historical events be leveraged in terms of a risk assessment. I know you could for instance look at malware infections over the past x months to perform a better estimation of for your malware ...
2
votes
1answer
753 views

Exposure Factor when calculating SLE

I am studying for an exam and came across a question asking to find what the single loss expectance would be, but I am failing to understand exposure factor in the calculation. SLE = Asset Value * ...
2
votes
1answer
478 views

Formula Used in Qualitative Risk Scales

I am reviewing NIST SP800-30 rev 1 and I am having a hard time understanding how they determine the distribution of values within the risk matrix. In the document, they define semi-qualitative values ...
2
votes
1answer
236 views

Risk analysis Information Security Checklist

I wouldn't bother asking this question if it was easy to find. In the past I've used a risk-analysis-checklist which was split up in serveral factors. For example, there are Human factors, Hardware ...
2
votes
1answer
221 views

Uses of Threat Modeling outside of application development?

Is threat modeling useful outside of application development? Is it a useful tool for doing operational assessments of information systems already in existence? I am confused how threat modeling ...
2
votes
1answer
639 views

Detecting Virtualization from web browser

is that possible active adversaries who injecting malicious iframes (root kits), without Flash, Java or any other plugin detect that we using virtualization by javascript or timing differentials and ...
1
vote
2answers
92 views

Associate guest orders with account if email matches?

A web shop allows orders from guests. When checking out, the guest has to provide an email address (in addition to shipping address and payment data). When this email address is already in use by a ...
1
vote
1answer
343 views

What security risks are associated with DLP Systems?

Some high level risks with DLP that I can identify (with the monitoring componant): 1- Abuse of authority: people with access to the system can look into other users private data. 2- Loss of ...
1
vote
3answers
116 views

Are dialers obsolete?

My antivirus picked up an infection by Dialer/Coulomb. The definition of a dialer is a piece of malware that dials a number that charges money. How would it do this, is this from when modems were ...
1
vote
1answer
133 views

How to prepare a report on security weakness in our software [closed]

I am part of an in-house development team that provides the software that is used in our company's factories across the world for production as well as for order management, and which also enables the ...
1
vote
1answer
177 views

What would be good resources to conduct Technical Impact Analysis?

As continuing research in Secure Software Development, I found the OWASP Top 10 project list Technical Impact such as: https://www.owasp.org/index.php/Top_10_2010-A1 Similarly, CAPEC list impact in ...
1
vote
0answers
46 views

Web browser security comparison analysis

Secunia publishes an annual vulnerability review that covers web browsers and surprisingly Google Chrome leads the number of known vulnerabilities in comparison to the likes of Microsoft Internet ...