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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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Do programs run in Linux in Wine benefit from DEP and ASLR?

Do programs run in Linux in Wine benefit from mitigation techniques DEP and ASLR?
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1answer
85 views

Will removing the harddrive from a computer protect it from persistent malware?

If I took a clean computer/laptop and removed the harddrive, lock the BIOS with a password, then did all my work from a live OS like Knoppix, will this help reduce the risk of persistent malware ...
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1answer
29 views

Classification of countermeasures for family of vulnerabilities

I would like to know if anyone of you has already read about some models that would classify a set of possible countermeasures against a family of vulnerabilities. What I mean by a 'family of ...
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1answer
73 views

Does Windows 10 provide sufficient virus and threat protection? [closed]

I am configuring a new laptop with Windows 10 Home and trying to determine if it is necessary to buy one of the big antivirus packages such as Norton, McAfee, etc. Is the security software that comes ...
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1answer
86 views

How to reuse a rewritable DVD from an unknown source?

I have a used rewritable DVD that I want to wipe and use to store new data. The DVD has been written to before by someone I don't know and can't necessarily trust. Is there a safe way to use the disc? ...
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45 views

Why would IPS vendor provider refuse to publish SLAs to fix the published highly ranked CVEs?

One of the biggest IPS providers (top of Gartner graph for its category) is not providing SLAs for all the 7+ ranking CVEs published last year. I don't really understand why would they refuse to ...
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1answer
48 views

TVRA does it cover physical, cyber and information security?

For that matter is TVRA only linked to security? Can it be used to assess, evaluate all or any situation and from there, come up with control measures?
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1answer
55 views

How to calculate the priority and the severity of our daily cyber security intelligence threat feeds?

Some solutions (eg. FireEye ISight) can provide a daily feed where they will mention each reported issue with it's severity and priority. Usually those companies will do some basic research and look ...
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2answers
200 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 ...
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3answers
214 views

How should we implement responsible discovery program internally only for our organization employees?

We experienced a very interesting phenomenon in the last 6 months and that is that some employees found and reported to our security teams few very crucial security issues. We were thinking about ...
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1answer
81 views

How to mitigate the risks of using new, third party imported electronic accessories?

As someone who is naturally good at recognizing risk and who are striving to maintain a wholistic view on security, I’m wondering how to evaluate and reduce the risks of hardware accessories (I.e. ...
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1answer
949 views

Mitigating the new attack on WPA2 involving PMKID

A new attack was discovered which allows cracking a WPA2 passphrase without needing to capture the 4-way handshake. While this doesn't weaken the password itself, it does mean that an attacker can ...
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0answers
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OAuth2 and linking resources of one owner to another person account

I'm implementing client side OAuth and I'm worried about the following scenario. There is application A registered with service B that is offering access to its user resources - authorized by OAuth (...
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1answer
67 views

What are the risks of placing Amazon Resource Names (ARNs) in VCS repositories?

Amazon Resource Names (ARNs) uniquely identify AWS resources. Amazon requires an ARN when you need to specify a resource unambiguously across all of AWS, such as in IAM policies, Amazon Relational ...
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1answer
96 views

Operation Prowli Malware Infects Over 40,000 Machines

Seems a new malware infection has been detected called 'Operation Prowli Malware' and around 40,000 machines are infected. Still no CVE data updated on CVE site regarding the relevant vulnerability. ...
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3answers
252 views

What is the quick fix for CSRF attack?

The application is constructed in Java language and JSF framework. I have reported a CSRF attack and the development team have to fix it soon since the application is in production. I recommended to ...
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1answer
64 views

What are the security risks of running a daemon as root even though SELinux is enforcing?

On an board running Linux I see a daemon and an utility run under root when started. The SELinux is enforcing for this system. Are there any potential threats of running as root, even if the SELinux ...
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0answers
872 views

Is Cross Site History Manipulation (XSHM) still relevant?

XSHM is a vulnerability which exploits the fact that the browser history object does not follow the Same Origin Policy and hence by tracking the changes made to this object we may be able to track a ...
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2answers
251 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 ...
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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 ...
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2answers
369 views

How do I secure my home Wi-Fi network in light of KRACK? [duplicate]

Now that KRACK has been discovered to exploit WPA2, is it still possible to secure my home Wi-Fi network? If so, what steps should I take to secure it against KRACK attacks? Will there now be a need ...
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1answer
78 views

Why aren't more wifi points compromised? [closed]

Especially in light of the recent KRACK problem. Wifi has been compromised before; and undoubtedly it will again. So I have to wonder, why don't criminal organizations travel around major cities, ...
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0answers
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Removing suspect MITM certificate while only knowing Date Issued?

A Blue Coat type of certificate was added to my personal PC to access a business network which I could trust at the time, but I don't trust the certificate issuer (Blue Coat) in general and don't ...
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1answer
155 views

Handling toxic data in a microservice architecture

I'm trying to apply the principle that data is toxic asset in a system with many services through which this toxic asset must flow. The system can be abstracted to 3 actors: clients, intermediaries, ...
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0answers
161 views

Security risks introduced when moving from a three tier to a two tier architecture

I host several .net web applications using a standard three tier architecture with web servers located in a demilitarised zone. I have been asked to host a two tier .net web application where the web ...
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1answer
100 views

Is there a safe way to upload a malware into a centralized server?

I'm facing an issue which i need to upload files to a centralized server, then relay it to other malware analysis providers (Palo Alto / etc...) As from security perspective - it's forbidden for the ...
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1answer
77 views

Can browser emulation create vulnerabilities?

If a browser is not authorized on a network, can browser emulation within an authorized browser create vulnerabilities? For instance, Chrome is unauthorized but if I run IE, press F12 to get into ...
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1answer
72 views

How can websites with URL traversal functionality protect itself from revealing its IP?

A good number of websites these days are not served directly over the internet, but through an intermediate providers, such as Cloudflare and Incapsula. A basic premise of the security provided by ...
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2answers
1k views

Preventing a Brute Force Attack on API via limiter

I have an API that users can log into. I don't want it to be hacked. What if I limit each user to 60 requests a minute? Won't this significantly slow hackers down in a brute force situation?
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4answers
664 views

Is older software safer to use? [closed]

Is software (and even hardware) that is a few years old safer to use than something that's only been out for a few months? On GRC Security I remember the author cautioning against Windows 7 as it ...
45
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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 ...
3
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1answer
89 views

Are there any known concrete cases of Cloudbleed attacks?

CloudFlare's Cloudbleed seems like a big deal, with thousands of websites compromised. CNN on February 24, 2017 mentions that it "doesn't appear anyone has exploited it yet." Was CNN right? And a few ...
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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?
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1answer
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What threats and mitigations are there for a CA when processing a CSR?

Question What kinds of technical nastiness/attacks should I look for in a Certificate Request (CSR) ? Assume the ASN1 parser is secure on the CA. I'm strictly concerned with the process of ...
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1answer
116 views

Who is the special OpenID Connect URL “self-issued.me” issued to, and is it a risk?

OpenID Connect defines a special use case for self-issued.me and it's registered overseas to what I assume is a fictional name. What is the risk of someone owning this domain w.r.t. OpenID Connect? ...
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1answer
94 views

Moving to a New Network: First Steps

I will be moving a new location in a short time, which means all of my devices will be coming with me. My landlord is the kind of older person who needs help connecting to WiFi. Despite this, she ...
3
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1answer
2k views

Is the Struts2 token interceptor a viable way of protecting against CSRF?

I'm currently implementing the default Struts2 token interceptor on all of our forms as a measure against CSRF (making a user unknowingly execute an action on our product by visiting another website ...
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2answers
314 views

Understanding Prevention, Detection, and Protection

I am always confused between Prevention, Detection, Protection. Which one is before the another? I'd say Prevention --> Detection --> Protection. Is that valid?
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5answers
2k views

Could IOT Botnets be Stopped by Static IP addressing the Devices?

I followed the recent IOT DDOS against Dyn and noticed that the attack seemed have three rounds of attack and mitigation. Since I'm not well versed in infosec I did some reasearch around DDOS ...
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1answer
3k views

Is it possible to spoof a paired Bluetooth device?

I'm thinking about creating a physical lock, where the keys would simply be paired Bluetooth devices, but I'm concerned about the potential (in)security. I would like to have a Bluetooth 2.1 module ...
2
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1answer
487 views

What client software is affected by JPEG 2000 / TALOS-2016-0193/CVE-2016-8332

A vulnerability in JPEG 2000 file formats has been discovered. The articles seem to refer to OpenJPEG implementation when discussing this bug, however what's not clear is who is the vulnerable party....
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2answers
327 views

Adaptive vs dynamic network security

In the context of network security, when we say adaptive network, what does it really imply? In other words, what does an adaptive network do to be adaptive? Is it similar to saying dynamic network? ...
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4answers
161 views

Threat modelling - including threats one cannot mitigate?

When threat modelling, should you include the threats a system cannot mitigate? If so, where should you stop? It could be very time-consuming to list all the threats one cannot mitigate.
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1answer
826 views

Is there an equivalent of Control Flow Guard for Linux?

Introduced by Microsoft in recent versions of Windows and its compilers, Control Flow Guard is a useful defence in depth measure in the mitigation of return-oriented programming exploits. My question ...
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1answer
341 views

Has any exploit leveraged a Video Driver flaw in WebGL?

Microsoft delayed support for WebGL due to the fact Javascript could exploit driver weaknesses. In the years that have past, in WebGL's adoption, are there any exploits of WebGL that supports their ...
2
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1answer
52 views

How to code for “Establish and maintain control over all of your outputs”

I was looking into this list (top 25 security issues): https://cwe.mitre.org/top25/index.html#Listing That led me to this list: https://cwe.mitre.org/top25/index.html#Mitigations That led me to ...
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0answers
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Does DSR or L3DSR allow for a secret back channel between hosts? How can it be stopped?

This Serverfault question describes how a load balancer can embed data that will be round-tripped back to the originating node. Traditionally DSR can't exceed the boundaries of a broadcast domain. ...
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1answer
763 views

Is it bad practice to use the same password for multiple accounts on the same website?

The argument I've heard against using the same password for two accounts on different websites is that if an attacker breaches one website and finds your password, they can then log in to your account ...
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1answer
84 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 ...
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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 ...