The field of cryptology includes both the study of and practice of securing information in the presence of untrusted third parties or adversaries. Specifically, it is focused on creating and analyzing the protocols used to subvert attempts by adversaries to gain access to or interrupt the flow of information between trusted parties. Specific focus areas …
CyberDefender is an example of malicious software that poses as an anti-virus software. CyberDefender runs a fake computer scan, then lists a number of “threats” that are really non-existent files, random files, or files that are essential to the computer’s performance. When the user attempts to remove these threats, CyberDefender asks the user to purchase …
Microsoft Access had no encryption capability until the release of Microsoft Access 2007. With the MS Access 2007 release, encryption is now available. Encryption Requirements To encrypt your access database you must use a new database format released with MS Access 2007, the ACCDB format. Differences between the original MDB format and the new ACCDB …
Yahoo password recovery methods include: Reset your Yahoo password online Recover your Yahoo password from your web browser Recover your stored password from the Windows Registry Reset your Yahoo password The easiest way to recover a Yahoo password is to go to the Yahoo! Sign-in Problems page. To use this page, first enter your Date …
Certificate Authority or Certification Authority (CA) is an entity, which is core to many PKI (Public Key Infrastructure) schemes, whose purpose is to issue digital certificates to use by other parties. It exemplifies a trusted third party. Some certification authorities may charge a fee for their service while some other CAs are free. It is …
Manually removing spyware is not an easy task. Usually the best course of action to remove spyware from your computer is to download and install a free spyware removal tool that will do this job for you. However, sometimes a problem arises in which the spyware removal program is unable to delete the spyware files …
A dictionary attack consists of trying “every word in the dictionary” as a possible password for an encrypted message. A dictionary attack is generally more efficient than a brute force attack because users typically choose poor passwords. Dictionary attacks are generally far less successful against systems that use passphrases instead of passwords. Improving Dictionary Attacks …
When using MSN and doing a search, you are using the Bing software which is Microsoft’s search engine. However, one of the things that you might want to do is clear your search history. Perhaps you were searching fro something on a computer that you don’t want anyone to know. Maybe you just don’t want …
Symmetric Cryptographic Algorithms DES (Data Encryption Standard) is perhaps the most widely used cryptographic algorithm. DES is based upon IBM’s Lucifer algorithm. The NBS (National Bureau of Standards) and the NSA (National Security Agency) adopted DES as a federal standard in 1977. DES is a symmetric cipher with an effective key length of 56 bits. …
Netscape Navigator stores usernames and passwords for web sites which you have logged in to. Password storage is configured in Netscape Navigator under <Edit>, <Preferences>, <Privacy and Security>, <Passwords>. By default, Netscape Navigator stores all passwords unencrypted. Viewing Netscape Navigator stored passwords The usernames and passwords are stored are part of the Netscape Navigator user …