Questions tagged [confidentiality]

Confidentiality is the property of maintaining the secrecy of an asset. In other words, confidentiality means protecting against the threat of disclosure. It is one of the three key security properties of an asset, along with integrity and availability.

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367 views

Do symmetric cryptographic primitives provide both integrity and confidentiality?

I understand that symmetric cryptographic algorithms provide confidentiality through the use of a key to encrypt plain text to cipher text but how can they provide for integrity as well? Would it not ...
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863 views

Confidentiality doesn't provide integrity, but it does enable it?

I've heard it stated that it is a common misconception that encryption provides data integrity. A highly voted question on this topic - Does encryption guarantee integrity? - has some very insightful ...
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716 views

Confidentiality and Integrity violation in database security

I read some topics on database security. Now I have two questions about confidentiality and integrity violation, Thanks anyone who answers me: If we consider knowing the availability of data as a ...
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3answers
152 views

Question: How to plan email policy for start-ups?

I'm a part of a software start-up. I've the role of IT admin as well as requirement gathering (business analysis). Right now we're a team of seven people and we all are in the 'core team'. Now we're ...
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378 views

Does Google Analytics collect any information about the contents of the web page?

If I enable Google Analytics on my web application, does the Google Analytics Javascript collect any information on the web page (any of the content on the page)? Does it collect any information ...
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144 views

A safe digital typewriter

If I understand well, it is now well documented that all Intel chips should be considered as back doored because of the Intel Management Engine. I guess one should now consider that all chips over a ...
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433 views

Security characteristics through ISO 25023 standard

Could you please help me to clarify the following: ISO 25023 standard divided security into the following 5 characteristics which are: Confidentiality characteristic (divided into) -----> Access ...
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210 views

Security Standards for storing private customer data

A certain government regulation in my country mandates all non-resident donors to provide a copy of their identification (usually, the passport). So, we ask the donors to upload a copy of their ...
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160 views

Ciphertext for email vs Ciphertext for database

Let's say Bob wants to send a message to Alice. This communication requires to achieve confidentiality, integrity, proof of origin, non-repudiation. Therefore we can use this cipher-text: ciphertext =...
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667 views

Android application level encryption cracking

We come across Android applications which use the custom encryption. When we proxy the Android phone or emulator, the proxy captures traffic which is unreadable. Is there a known technique to read ...
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55 views

How do you securely delete httpOnly cookies previously used for login?

I am using Angular 8 with Node.js (Express.js) to make a login system. It needs to be secure. I have set the cookies using httpOnly:true, which contain a JWT token and it should be deleted by the ...
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59 views

AES and message properties

An active attacker changes the ciphertext which was made using the AES cipher algorithm. Which message properties are preserved even though that change was made. Choose one of the below: 1) Integrity ...
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2answers
125 views

Security in the breaking cloud? Storage Wars?

If access to a cloud server instance that stores personal/important information is lost or removed by the provider, is my data protected? Can the provider access my data and copy it, distribute, or ...
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134 views

Can importing an .ics file be dangerous?

Can there theoretically be any possible malicious code hidden in .ics files, which would steal your calendar data or something similar? For an example case, we'd be importing the .ics file into Google ...
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3answers
830 views

Overwriting only Free Space with rubbish data to prevent data recovery?

I am aware of tools which write zeros or other useless data to fill up your harddrive, however so far all of the tools I have come across must fill up the entire harddrrive. My understanding of the ...
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433 views

Why does integrity exclude confidentiality? [closed]

I'm trying to understand the CIA triad. I read that all three parts of the triangle exclude each other, but I don't understand why you can't have full integrity and full confidentiality? I figure you ...
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88 views

Guarantee one unique identity per node

I'm in the early stages of designing a decentralised systems protocol, based on a blockchain, for a thesis. For the protocol to remain secure, each node in the system must be capable of generating one,...
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936 views

Security goals vs ITU-T security services

I am doing a course on cryptography, and there I learned that the major security goals are Confidentiality Integrity Availability Also I Learned that ITU-T provides 5 different security services ...
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2answers
646 views

Does SSL/TLS (https) reveals your IP address? [duplicate]

Because the NSA monitors traffic going through the major nodes of the internet, they can know which IP address does what on your website, even if you are using HTTPS. Is this true or false?
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API - How can I make sure data sent by the user is only sent to my application?

I have an API and a web application where users can login through another system and then post text messages to my application, for example. How can I assure that when this data is only posted to my ...
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4answers
126 views

Travel information and passport

I travel a lot and I am looking a good way to send my travel information, like hostel, passports etc. to send to my family before leaving. This information is confidential. Actually, I am using a Zip ...
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2answers
131 views

Privacy of client's virtual machine in cloud computing

As we know clients can create and run their virtual machines (VM)in the cloud computing. My question is about the confidentiality of data stored in the client's VM. Question 1: Does data stored in a ...
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2answers
197 views

Prevent organization's code from being leaked or stolen [duplicate]

I am wondering how I can control the organization's code from being leaked or stolen. Currently we are using GitHub, in order to protect the code I am planing to use GitLab on a local server, so the ...
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3answers
173 views

How to keep client data confidential when attacked by a ransomware?

Hypothetical scenario: If a ransom-ware attack was to happen which threatened to make public "private client data" if you didn't pay up. Assuming such a virus exists and you've already been infected,...
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75 views

Security Engineering Potential Threat?

I've been working on some security engineering problems and there is no solution provided so if someone can clarify, would be great. From the point of view of security engineering, which is not a ...
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1answer
114 views

Forced to install certificate on my laptop when using company WiFi. Risk? [duplicate]

My company has a 'bring your own device' policy. You connect your device to the WiFi, and then open a citrix environment through a web portal. Basically, everything inside the citrix env is company-...
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197 views

What is the difference between concealment and secrecy in context of confidentiality?

I just started studying up for the CISSP and am having trouble understanding few concepts. This is regarding confidentiality, Below are some of the aspects of confidentiality Sensitivity Discretion ...
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3answers
290 views

I found a website that lists all the email addresses of Facebook users in UK. What do I do? [closed]

I came across this very peculiar website that supposedly lists the email addresses of Facebook users in the UK. I will not be posting the URL for obvious reasons. I entered a couple of emails to see ...
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1answer
236 views

Why do I see bridged devices when monitoring Wi-Fi activity?

I'm trying to figure out what information about my infrastructure can leak through Wi-Fi. I ran Kismet and was surprised to see that a few minutes later, Kismet displayed not only the MAC addresses ...
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74 views

Is there any 'Open Enrypted File Container' Format?

Tools that create 'encrypted file containers' use open encryption standards like AES to encrypt container contents, however the container format is proprietary, I am guessing, so need the same tool to ...
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1answer
106 views

Using randomly generated numbers to authenticate with a Relay server

I'm developing a public VoIP relay server, that will help bypass internet firewalls by allowing two clients to connect with it and then it will relay data between the two. Both clients will connect ...
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1answer
47 views

Any Point To Paper Submission Of Forms Versus Electronic Submission

I know we're not going to like this question because it has some obvious answers, but I am looking for a thorough breakdown, and I could not find another mention of this topic on this site. Paper ...
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1answer
201 views

Data categorization: tools?

For the purpose of setting in place the appropriate means of securing data, and to secure this process, I'm asking me the questions: What are the tools to associate to a document a categorization ...
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0answers
37 views

When sharing confidential information, which is more secure share via Outlook vs store on Sharepoint then provide access?

I'm trying to figure out what is good practice and what is more secure for my small team. I wanted to set a standard or governance on how to share confidential information within our team. One person ...
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91 views

Why do people redact MAC addresses? [duplicate]

What are the security implications of sharing a MAC address online? How important is it really, to redact this information; and why? I see it a lot, and I'm in the habit of doing it myself. 1. ...
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2answers
89 views

Is there any way to track the status of a document sent to an external entity?

I'm wondering what the capabilities for document (PDF/DOCX/XLSX/PPTX) tracking are , specifically to determine whether a client has broken a non-disclosure agreement. Here's a scenario: Service ...
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2answers
123 views

User generated search queries

Are user generated search queries classed as sensitive data? For example, if an application put PII from a search query such as names, date of birth, addresses etc. in the query string of a URL (...
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70 views

What Is The Authorities' Stance On The Use of Microsoft Office For Sensitive Information?

I want to know what the U.S. (or E.U. countries) policy is towards the use of Microsoft Office (particularly local versions) and potentially sensitive information requiring clearance. In particular, ...
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25 views

Can confidential data be gotten from a “hibernation file”? [duplicate]

When a computer hibernates, AFAIK a copy of the RAM is saved into a file on disk. Is this a potential security flaw, knowing someone can take the disk and read the RAM freely?
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658 views

Hashing Identifiers to Create Pseudonyms

I'm wanting to share datasets between two organisations in a pseudonymised way such that they link together via mutual entities (e.g. people) but so that the entities cannot be identified. E.g.: ...
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107 views

Google App Engine Security [duplicate]

Possible Duplicate: Google App Engine Security I am writing a master thesis concerning security of certain applications, and as a part of it I want to write a web app on Google App Engine and ...
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3answers
151 views

Should Risk Impact (not likelihood or overall risk) be quantified by the initial impact, or should you quantify by eventual (potential) impact [closed]

I am undertaking a risk assessment and trying to work out the risk impact on confidentiality for if a company employee (specifically a System Administrator) steals Server Hardware. On the one hand ...
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2answers
1k views

Secure risks of online chat for customer service

Some merchants provide the ability to chat over the web for customer service or help. Are there any risks in using these online chat channels? If so, what are the primary risks? Can the chat ...
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1answer
2k views

How can an ISP throttle encrypted connections? [closed]

I have had experience with an ISP that slows down all encrypted connections (down to an average 20-35 KBps) I was wondering if a) this is legal b)how can they do it and c) is there a way to bypass it. ...
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1answer
613 views

Is there a benefit to encrypting a file multiple times? [duplicate]

If I had to store a text file with some confidential information on the cloud, would encrypting the file multiple times (say, 3) with different passwords using WinRAR (AES with a 256 bit key) provide ...
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1answer
3k views

Question about compare Bell-LaPadula and Biba models with Chinese wall policy

what the Chinese wall models try to achieve and how it differ from or improve upon the Bell-LaPadula and Biba models
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98 views

What are the implications of differences in confidentiality timeliness?

From a security standpoint, what are the differences that must be addressed between data with a day-long confidentiality timeliness and data with timeliness of a year or more?
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6k views

Is TCP more secure than UDP? [duplicate]

I am referring to confidentiality not integrity. are there any security features that UDP lack compared to TCP? According to this paragraph While TACACS uses UDP port 49, TACACS+ uses TCP port 49 ...
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188 views

Is www.cheap-lingerine.com safe to use my credit card on? [closed]

I want to make sure my information is safe. This website is openly china-oriented but says to secure card information with Secure Sockets Layer technology (SSL) on those pages that involve sensitive ...