Eraser Data Removal Tool
License: freeware
2,65 Mb. | Homepage | Download |
Most people have some data that they would rather not share with others - passwords, personal information, classified documents from work, financial records, self-written poems, the list can be continued forever. Perhaps you have saved some of this information on your computer where it is conveniently at your reach, but when the time comes to remove the data from your hard disk, things get a bit more complicated and maintaining your privacy is not as simple as it may have seemed at first.
Eraser is an advanced security tool (for Windows), which allows you to completely remove sensitive data from your hard drive by overwriting it several times with carefully selected patterns.Eraser is FREE software and its source code is released under GNU General Public License.

Freebyte Backup
License: freeware
326 Kb. | Homepage | Download |
Freebyte Backup is a freeware backup program for Windows 95/98/ME/NT/2000/XP. It allows one to easily copy (and filter) a large number of files and directories from various sources into one backup directory.
It is possible to backup all files found in the specified set of input directories, or to have only certain file types copied. Files can be filtered according to file-extensions.
With the optional 'Incremental backup' feature, the program only copies files which have not yet been part of a backup. It is also possible to specify a date, so that only files changes/created after a certain date/time are copied, or to only copy files if they are more recent than the corresponding files at the target location.
Additionally, one can view a report which lists all the files; of each file one can see wether the files is copied or skipped, the file size, file date, source and target locations, total number of files copied, total number of bytes copied.
For each backup set, a different profile can be created specifying different input and output directories and filter settings.
Has command-line parameter for automatic and scheduled startup in combination with programs like Freebyte Task Scheduler.

NMAP - Security Auditing
License: Open Source
8.65 Mb| Homepage | Download |

Nmap ("Network Mapper") is an open source utility for network exploration or security auditing. It was designed to rapidly scan large networks, although it works fine against single hosts.

Nmap uses raw IP packets in novel ways to determine what hosts are available on the network, what services (ports) they are offering, what operating system (and OS version) they are running, what type of packet filters/firewalls are in use, and dozens of other characteristics.

Note: This release which can remotely scan for and detect machines infected with the Conficker worm.

License: Open Source
2.8 Mb| Homepage | Download |

This lightweight network intrusion detection and prevention system excels at traffic analysis and packet logging on IP networks. Through protocol analysis, content searching, and various pre-processors, Snort detects thousands of worms, vulnerability exploit attempts, port scans, and other suspicious behavior. Snort uses a flexible rule-based language to describe traffic that it should collect or pass, and a modular detection engine

AVAST - An Free Home Antivirus
License: Free
32.8 Mb| Homepage | Download |

It scans your system for malware and kills what it finds, and gives you seven different types of "shields" to keep you safe from harm, such as one for protecting you from dangers that might be lurking on Web sites (such as drive-by downloads), one for guarding against peer-to-peer attacks, another that stops instant messaging threats, and so on. And it does all that, amazingly enough, without taking up much RAM or system resources.