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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30 views

How to rate a CVSS Score if OS/compiler vulnerablity mitigations are highly likely but not guaranteed?

Let's consider the following code in a hypothetical C library. uint8_t size; uint8_t buf[128]; read(untrusted_fd, &size, 1); read(untrusted_fd, buf, size); In the early 2000s, it would be a ...
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Is server side CORS protection enough to mitigate CSRF attacks against stateless APIs?

Assume an Angular SPA application on www.example.com that works invoking an API over that same domain www.example.com/api/... The Angular app gets a session cookie and sends it in each API call. The ...
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1answer
127 views

What is the difference between ATT&CK and CAPEC?

My question is on Cyber Threat Intelligence (CTI). I want to know the difference between Attack Patterns (as in MITRE CAPEC) and Tactics, Techniques and Procedures (as in MITRE ATT&CK). They both ...
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Are security controls themselves considered assets (e.g., cryptographic keys)

Looking at a plain system (there are no security controls implemented yet), we need to think about its functions and derive appropriate assets which we'd like to protect in order to ensure the system ...
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2answers
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Is Power Failure an Environmental or Structural Threat?

According to the CySA SYBEX book, in chapter 1, power failures are listed as both environmental threats and structural threats... but which one is it? According to the book: Environment threats occur ...
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MITRE ATT&CK ICS Machine readable

Could you please help me in finding a repository for MITRE ATT&CK ICS? I was wondering if the matrix, along with labels, assets and tactics was available smewhere online, perhaps in a STIX format ...
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156 views

What is the difference between “local” and “Adjacent” threat agents?

I am using CVSS to do the vulnerability assessment for my project. As per documentation here is the definition of local and adjacent Adjacent (A) The vulnerable component is bound to the network ...
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How to monitor the internet at large for threats to your organization?

What are approaches for monitoring cyber threats “outside” of the organisation, such as data like account passwords, credit cards, company data for sale, etc? While there are services for monitoring ...
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4answers
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How do I minimize the number of passwords leaked when a PC gets compromized?

For customer support reasons, we need to store passwords to some of our customers' systems (with their explicit, written permission, of course), as well as, obviously, passwords to some of our own ...
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What is the Meow Attack and how can I guard my databases against it?

Recently, there has been some news articles about unsolicited attacks on unsecured public facing Elastic and Mongo databases. These are commonly being called "Meow" attacks, resulting in ...
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Does HTTPS protect mobile internet connections against “network injection”?

The Star recently published an article describing an alleged attack against a Moroccan journalist. The article describes the attack as such: Forensic evidence gathered by Amnesty International on ...
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Does TLS 1.3 mitigate the BREACH vulnerability?

Section 5.4 of the TLS 1.3 specification describes record padding. One of the mitigations for BREACH is to add random padding. Therefore, I'm wondering: Does TLS 1.3 require random record padding? ...
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Can VPN hardware provide adequate isolation on a home network? [closed]

If you were to configure a Work PC at home to exclusively connect to your work network via a small VPN box, would this adequately isolate it from your home network and related threats? What ...
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Threat modeling for visitor access control

I am trying to understand threat modeling but it seems too elasti from restrictive requirements to general requirements. Now i am trying to understand it with some realistic examples. The first ...
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How to secure an open port and public IP address when clients must connect to it [duplicate]

I do not have a lot of experience in networking, however, I have built a live-chat application using socket.io and nodeJS. In order to do this, I had to open a port to allow other networks to connect. ...
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311 views

Accidentally Shared my Private Key - How to Remedy?

I accidentally shared my SSH private and public keys with others. I changed keys within 2 minutes of sharing the private key. I've since added a password to access my private key as well as deleted ...
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How to mitigate insecure password policy that I am forced to use?

The site in question is the UK regulator for companies at https://ewf.companieshouse.gov.uk. Online access to a company on this site enables the user to file/change various critical things on behalf ...
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3answers
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How are websites actually mititating BREACH? (HTTPS + compression)

After reading some popular questions and answer on this website about BREACH, the only advice seems to be: don't compress anything that might contain secrets (including CSRF tokens). However, that ...
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152 views

Malware Threat Hunting in Airport Systems - KPIs/Metrics to Track [closed]

I am trying to figure out how to detect potential threats from malwares in various systems installed in the airport. To be specific, my focus is on the following systems in airports: Baggage ...
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Preventing Linux brute force concurrent su/sudo attempts

Its well known that popular Linux distros use the PAM default to slightly delay incorrect login attempts, thus mitigating brute-force attacks against a user account (for example, running su repeatedly ...
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Under which conditions can dllhost.exe spawn child process? | MITRE ATT&CK T1191

I was looking for conditions/circumstances under which Dllhost.exe can spawn a child process. I examined a huge quantity of event logs from various Windows system and didn't come across any event in ...
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What are the new MDS attacks, and how can they be mitigated?

Several new hardware side-channels were discovered called MDS attacks, which allow reading arbitrary memory, like Meltdown. Many existing mitigations are useless against them. The relevant CVEs are: ...
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How can I mitigate the possibility of SSL private key being copied without my knowledge?

OCSP stapling and Certificate Transparency logs seem to provide a pretty good defense against man-in-the-middle attacks if I discover that my private key has been stolen. I can revoke my old ...
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What is the difference between Anti - APT (Advanced Persistent Threat) and ATP (Advanced Threat Protection)?

Like the question says, is it the naming difference only or are they entirely different?
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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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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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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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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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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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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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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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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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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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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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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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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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259 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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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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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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284 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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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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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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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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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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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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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
338 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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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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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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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 ...