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Questions tagged [risk-management]

Risk management is the identification, assessment, and prioritization of risks - defined in ISO 31000 as the effect of uncertainty on objectives, whether positive or negative - followed by coordinated and economical application of resources to minimize, monitor, and control the probability and/or impact of unfortunate events or to maximize the realization of opportunities.

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How do you explain the necessity of “nuke it from orbit” to management and users?

When a machine has been infected with malware, most of us here immediately identify the appropriate action as "nuke it from orbit" - i.e. wipe the system and start over. Unfortunately, this is often ...
98
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10answers
9k views

How to create a company culture that cares about information security?

Hardened Servers, IPS, firewalls and all kinds of defenses cannot solve security problems if people leak information without knowing simply because they're misguided. I already tried to instruct them ...
91
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5answers
44k views

How do you destroy an old hard drive?

How do you destroy an old hard drive? To be clear, unlike questions Secure hard drive disposal: How to erase confidential information and How can I reliably erase all information on a hard drive? I do ...
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15answers
14k views

How to deal with low-probability high-impact risks?

There is a strategic question that we are banging our heads against in my IT department, which essentially boils down to this: There is a type of attack against our systems that can cause a lot of ...
69
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2answers
9k views

What are the risks of not patching a server or hypervisor for Meltdown?

The patch for Meltdown is rumoured to incur a 30% performance penalty, which would be nice to avoid if possible. So this becomes a Security vs Performance risk-assessment problem. I am looking for a ...
37
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5answers
3k 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 ...
34
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7answers
5k views

What are the real physical risks of casual social media publishing?

aka "how to scare my family into stopping publishing their life online?" I do not publish personal photos / opinions publicly online as a rule. I never gave hard thoughts about that but I believe ...
31
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7answers
41k views

Can a hard drive be destroyed by drowning?

These are some ways of disposing of hard drives: Special firms, degaussing, hammering, pulling apart. Can this be accomplished more quickly by drowning it? Fill a bucket with water, maybe add some ...
27
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5answers
4k views

DDOS - security or operational risk?

The chief security officer of a medium sized IT company (400-500 employees) recently released a bulletin in which he stated that DDOS attacks are not a security risk but an operational one. Also I was ...
24
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5answers
2k views

Does PCI compliance really reduce risk and improve security?

Might as well bring this hot topic to here! For those not in the know: https://www.pcisecuritystandards.org/
21
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6answers
6k views

Is there a security advantage or risk in removing disabled user accounts?

So I'm having a debate with someone about whether or not to remove disabled accounts. My stance is that it is good network hygiene, reduces the amount of noise to sift through, etc. However, the ...
20
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9answers
2k views

How to get top management support for security projects?

I am facing an issue regarding security projects, for example: last year we bought an antivirus licence for 500 (end point security), and made a policy in order to force everyone to install it, ...
16
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12answers
2k 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 ...
16
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5answers
4k views

Hashcash, is this really used?

I just heard about this term, is it really used? The concept does not seem new, is it used and/or implemented in current technologies?
16
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4answers
352 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 ...
14
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4answers
4k views

PCI-DSS - one application per server?

How do I interpret the 2.2.1 point for PCI-DSS? Is "application server" 'one primary function' or does it need to be "program x server", "program y server" etc? I have a collection of applications ...
14
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4answers
777 views

How do you estimate the costs of a security breach?

I'm a student and fairly new to the IT security field. Most articles and books say you should only patch a vulnerability if the costs of a breach are higher than the costs of patching the ...
14
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2answers
10k views

How easy/difficult is it to spoof DNS? Are some scenarios safer/more risky than others?

Practically speaking, how easy difficult is it to spoof DNS? What scenarios are more risky than others? For example: A phishing email or twitter link that attracts users to click a hyperlink A ...
14
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2answers
739 views

When do shared disks “leak” data to other VMs, and how is that mitigated?

Inspired by this answer, I would like to know what are some common threats and mitigation techniques used to prevent one VM from leaking data to another via the shared storage infrastructure. ...
13
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7answers
2k 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 ...
12
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4answers
1k views

Carrying out a professional IT audit procedure

I'm a new masters graduate and I need to find out how to carry out an IT audit professionally. What software tools are required and what are the specific topics I need to cover? Please point me in the ...
12
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2answers
2k views

What are the security risks when using free Content delivery networks (CDNs)?

I was doing some research on Content Delivery Networks. For those who don't know, a CDN is a large collection of servers that cache and quickly serve up static content such as images, css, js, etc, to ...
12
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3answers
524 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? ...
12
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1answer
850 views

What are the risks of not patching a workstation OS for Meltdown?

Assume the following: macOS (but not sure that matters that much) workstation, mostly gets new executables from the app store or open source repos through macports homebrew fair bit of loading JS, ...
11
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3answers
402 views

How to calculate our application security debt?

Application security debt has some similarities to technical debt but there are few differences that we need to think about when deciding if our security debt load has gotten too high and needs to be ...
10
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4answers
2k views

What are the risks of providing SSLv2 for additional device compatibility?

SSL 2 was deprecated in 2011. However many devices are manufactured before 2011 and still in use today, and it is impossible to upgrade the software in the device (e.g. cellphones, tablets, PDAs, ...
10
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2answers
327 views

How does one properly assess risk?

Security is never 100%. There is a need to balance risk and cost. Risk assessments need to be performed to determine the cost-effectiveness of preventive measures. There are a few questions I would ...
10
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1answer
325 views

How should I manage people/technicians during an incident/outbreak?

Assume there is an incident that requires immediate response, such as a virus outbreak over email, Cryptolocker actively encrypting files, or a DOS attack. How should I approach this in a way that ...
8
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4answers
1k views

How to estimate the cost of an application vulnerability?

I've seen data on the cost of a breach including lot of surveys and research by Verizon and the Ponemon Institute. But in terms of an actual vulnerability, what are the factors to consider to ...
8
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2answers
709 views

How to mitigate the risk of a continuous integration service security breach?

We are using a Continuous Integration service to automatically run our product test suite. Every time we push code to our central Git repository production branch, the CI services is notified and ...
8
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2answers
13k views

Is the service join.me actually a huge security risk?

In case you don't know, there is a website called join.me which lets you do screen sharing from a browser, using a flash program that is on the web page. Until I encountered this service, I had no ...
7
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3answers
393 views

Certifiable standards for server security, besides PCI-DSS?

The Payment Card Industry Data Security Standard is widely used in the financial industry and seems to be a useful requirement from the standpoint of a potential customer (see also Does PCI compliance ...
7
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4answers
312 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. It'...
7
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4answers
250 views

Why should small and medium-sized businesses care about security?

Pretext I'm not a security expert, just a web dev with an interest in "security". I've been tasked by my employer with giving an internal talk on security (specifically web application security) and ...
7
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2answers
2k 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 ...
7
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3answers
2k views

Secure hard drive disposal: How to erase confidential information

When it comes to disposing of hardware that may contain PII, confidential, or other sensitive material, how do you determine what needs special handling? What process do you use? I'd like to expand ...
7
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1answer
330 views

Security risks of using ffmpeg as part of web service

I'm working on a web service that uses ffmpeg on the backend for processing user uploaded media files. I'm giving the users some options to customize how their videos are processed, which is ...
7
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3answers
1k 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 ...
7
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2answers
552 views

What key metrics should a CIO rely on to gauge the extent of IT risk exposure?

Note - This was originally asked in another Area51 proposal, which has since been deleted.
7
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1answer
344 views

How to mitigate risk of X11 buffer ghosting (palinopsia bug)

The Buffer "Ghosting" Phenomenon It is possible to observe contents of (old and currently used) graphics buffers on a monitor under certain circumstances, posing an information disclosure risk, when ...
7
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1answer
117 views

Mitigating risk from electronic payments

When attempting to sell a product online (for instance, on craigslist) there is a very good chance you will be the target of a social engineer; this is especially true when you are selling high-value ...
7
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1answer
5k views

Industry best practices for vulnerability scanning and management?

I am looking for reference documents or talks as to the end results for a vulnerability assessment, scanning, and management process at a fully matured "impressive" level for a large organization that ...
6
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4answers
3k views

Security concerns from publicly visible Hudson & Jenkins servers?

A friend's start-up has implemented a number of business critical services on a Hudson/Jenkins server run on a Tomcat container. This is not an open-source project, in fact many aspects of this ...
6
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3answers
548 views

Should we store meeting minutes on an iPad?

Being employed in the infosec field I would like to set a good example. However I also do not believe in sweating the small stuff and would like to maximize my productivity. My current workplace, ...
6
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6answers
1k views

What are all of the issues with storing a cleartext password?

I know, I know, cleartext passwords are terrible and you should always store a hash! However, I'm interested in all of the issues with storing cleartext passwords so I can make a reasonably secure ...
6
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1answer
703 views

How to determine risk ratings for third party mobile apps

Having rolled out corporate mobile phones and tablets, we have MDM in place enabling us to centrally deploy apps to all our users, and can perform remote wipe in the event of a lost device etc, ...
5
votes
4answers
6k views

Are non-personal AD users a security risk?

After an IT audit of my company, the report said that our Active Directory contained too many non-personal user accounts. This caused a risk of misuse and unauthorized user access. I checked my ...
5
votes
3answers
807 views

What are the problems with bring-your-own-device related to smartphones?

What are the problems with bring-your-own-device related to smartphones? Companies see this more and more everyday, people want to use their personal devices on the corporate network or even use them ...
5
votes
2answers
227 views

What is as CISOs job, exactly?

The company I work for (kind of a startup) can't afford a full-time chief information security officer (CISO). So the boss is asking the security aware people in the team to work together to do a ...
5
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3answers
153 views

Are revealed personal emails a security risk?

I am a minor recently employed by a retail company, in the same batch as 10* other new recruits. I have not yet had the first day, however our manager has sent us all a warm welcoming email. The ...