• Does a sysadmin know your password?

    I'm a software engineer at a small company. We've been having problems with our email hosting service. Not so much the company, but the service. While working through the issue with our sysdamin, he asked me for my password and I gave it to him without thinking. Later, it occurred to me that no one...

    ITKE346,030 pointsBadges:
  • Testing a EMV chip based card

    How is testing of a EMV chip card different than testing a magnetic striped card? What extra features need to be tested for an EMV chip card compared to a magnetic striped card?

    vadirajm5 pointsBadges:
  • Security: Sending a password / username over HTTPS

    Inside of my friend's website, when a user logs in, they send their username / password to him over HTTPS. Besides having a SSL, there isn't a special obfuscation of the password (it's living in memory in the browser).Is there anything else he should do to tighten security? Should he keep it...

    ITKE346,030 pointsBadges:
  • What should the process be to remove users on leave?

    Typically when a user goes on disability, short term, or parental leave, do you disable their AD? What about their exchange? RSA? Smartphone?Also, is there usually a process to inform them that you are disabling their access?

    sfuboy5 pointsBadges:
  • Microsft Visual Studio performance issues do to antivirus software

    Does anyone know which antivirus program causes the least amount of slowdown while working in Microsoft Visual Studio? Every time my virus checker goes off I run into serious performance issues due to the system check. Does this happen to other people? Do you think the issue is the virus checker or...

    ITKE346,030 pointsBadges:
  • How to become a security expert?

    Hi, How do I become an expert as a security analyst? I graduated from business IT field without security knowledge. What area should I start studying with? Some people suggested me to take CEH first. What do you guys think? Is CEH a good cert to start with?Appreciate any feedback :)

    user7775 pointsBadges:
  • Transmitting encrypted PDFs via email

    Hi! I could use some help. My company plans to send out critical data to our clients in encrypted PDF format. Is there a danger that they could be blocked in the future as virus scanners become more sophisticated and conclude that they could be carrying malware?

    ITKE346,030 pointsBadges:
  • How do you protect a server against Denial of Service attacks?

    How do you protect a server against Denial of Service attacks? What techniques do advanced firewalls use to protect against DoS/DDoS attacks?

    ITKE346,030 pointsBadges:
  • Can I use off-the-record style encryption for my emails?

    I'm new to the security world but I know that instant messaging uses "off-the-record" encryption (which means that a user would get authentication, encryption and forward deniability). But for my email, all we use is GPG/PGP, which offers authentication and encryption but doesn't allow forward...

    ITKE346,030 pointsBadges:
  • Tellabs 532L DACS password

    Does anyone know how to reset Tellabs 532L DACS back to the factory default of TELLABS?

    comstock5 pointsBadges:
  • Is it really necessary to block outgoing ports?

    I've been told that when I'm setting up my home network, I should make sure that all outgoing ports on my router should be blocked, although I should allow certain ones to open to support HTTP, HTTPS, etc. This even though I have a firewall in place. But is this really necessary if every computer...

    ITKE346,030 pointsBadges:
  • Encryption: Using a static IV

    A part of our team has had to extend our website to try to communicate user credentials for a suppliers website. We're using a 256-bit key but they're using a static IV for decrypting the information. We've advised them not to use static because it's an a security risk. But we want to know how big...

    ITKE346,030 pointsBadges:
  • Installing antivirus software on a web server

    Should a web server have antivirus software installed and active at all times? Are there situations where it is not needed? What should be considered when choosing one to install?

    ITKE346,030 pointsBadges:
  • which tools can be used to analyse vulnerabilities?

    tools which are used to analyse vulnerabilities(which can be downloaded for free)

    Creeeper60 pointsBadges:
  • How to find cyphers for HTTPs?

    I'm trying to find some cyphers which are known to be secure for HTTPs. The OpenSSL website has a long list of cyphers that can be used with SSL and TLs, but how to tell which, if any, are still valid and of those which would support HTTPS? Is there a recent paper or similar tool I can use to find...

    ITKE346,030 pointsBadges:
  • How do antiviruses perform their scans so quickly?

    How do antivirus programs investigate hundreds of thousands of files so quickly while maintaining good detection rates? Most are able to do this in real-time while not slowing down computer processing rates by very much. How is this done?

    ITKE346,030 pointsBadges:
  • Worried someone has access to my pc

    programs running on my pc will sometimes just completely shut down for no reason whatsoever

    puzamanzi5 pointsBadges:
  • Why use 256 bit encryption instead of 128 bit?

    Why is that 256 bit encryption has become so popular? Isn't 128 bit security enough for most applications?

    ITKE346,030 pointsBadges:
  • Hashing passwords: Is it a good idea?

    Now, I'm not sure if this is the best idea so that's why I'm trying to start this discussion. For hashing passwords, should we use hashed passwords as the salt?$passwd = 'foo'; $salt = hash($passwd); $finalHash = hash($passwd . $salt);The $finalHash is what would be stored in the database. I do...

    ITKE346,030 pointsBadges:
  • GUIDs: Are they actually safe?

    I'm studying to become a security expert and I've noticed a ton of websites use GUIDs for password resets, unsubscribe requests, etc. I'm assuming most sites use them because they're easy to use and they're unique. But I'm curious to find out how safe GUIDs actually are. Are they actually intended...

    ITKE346,030 pointsBadges:

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