Windows security software

antivirus computer program

free antivirus product produced by Microsoft for the Windows operating system

Bitdefender is a multinational cybersecurity technology company dual-headquartered in Bucharest, Romania and San Antonio, Texas, with offices in the United States, Europe, Australia and the Middle East. In the Asia-Pacific (APAC) region, offices are located in Australia (Melbourne), as well as in Southeast Asia, including Singapore and Indonesia (Jakarta).

antivirus app, component of Windows Vista and later

The Metasploit Project is a computer security project that provides information about security vulnerabilities and aids in penetration testing and IDS signature development. It is owned by Rapid7, a Boston, Massachusetts-based security company.

antivirus software

computer protection software

anti-malware software

antivirus program developed by Kaspersky Lab

company

Avira Operations GmbH & Co. KG is a German multinational computer security software company mainly known for its Avira Free Security antivirus software. Although founded in 2006, the Avira antivirus application has been under active development since 1986 through its predecessor company H+BEDV Datentechnik GmbH. Since 2021, Avira has been owned by American software company NortonLifeLock (now Gen Digital), which also operates Norton, Avast and AVG. It was previously owned by investment firm Investcorp.

TrueCrypt is a discontinued source-available freeware utility used for on-the-fly encryption (OTFE). It can create a virtual encrypted disk within a file, encrypt a partition, or encrypt the whole storage device (pre-boot authentication).

computer program

ZoneAlarm is an internet security software company that provides consumer antivirus and firewall products. ZoneAlarm was developed by Zone Labs, whose CEOs were Kevin Nickel, Mouad Abid and Shahin and the Company was acquired in March 2004 by Check Point. ZoneAlarm's firewall security products include an inbound intrusion detection system, as well as the ability to control which programs can open outbound connections.

free and open-source antivirus tool for Windows

VeraCrypt is a free and open-source utility for on-the-fly encryption (OTFE). The software can create a virtual encrypted disk that works just like a regular disk, but within a file. It can also encrypt a partition or (in Microsoft Windows) the entire storage device with pre-boot authentication.

Enigmail is a data encryption and decryption extension for Mozilla Thunderbird and the Postbox that provides OpenPGP public key e-mail encryption and signing. Enigmail works under Microsoft Windows, Unix-like, and Mac OS X operating systems. Enigmail can operate with other mail clients compatible with PGP/MIME and inline PGP such as: Microsoft Outlook with Gpg4win package installed, Gnome Evolution, KMail, Claws Mail, Gnus, Mutt. Its cryptographic functionality is handled by GNU Privacy Guard.

In the field of computer network administration, pcap is an application programming interface (API) for capturing network traffic. While the name is an abbreviation of packet capture, that is not the API's proper name. Unix-like systems implement pcap in the libpcap library; for Windows, there is a port of libpcap named WinPcap that is no longer supported or developed, and a port named Npcap for Windows 7 and later that is still supported.

240px|thumbnail|right|FreeOTFE4PDA FreeOTFE is a discontinued open source computer program for on-the-fly disk encryption (OTFE). On Microsoft Windows, and Windows Mobile (using FreeOTFE4PDA), it can create a virtual drive within a file or partition, to which anything written is automatically encrypted before being stored on a computer's hard or USB drive. It is similar in function to other disk encryption programs including TrueCrypt and Microsoft's BitLocker.

Sophos Limited is a British security software and hardware company. It develops and markets managed security services and cybersecurity software and hardware, such as managed detection and response, incident response and endpoint security software. Sophos was listed on the London Stock Exchange until it was acquired by Thoma Bravo, an American private equity firm in March 2020.

computer protection software

Sandboxie is an open-source OS-level virtualization solution for Microsoft Windows. It is a sandboxing solution that creates an isolated operating environment in which applications can run without permanently modifying the local system. This virtual environment allows for controlled testing of untrusted programs and web surfing.

Adaware, previously known as Lavasoft, is a software development company that produces spyware and malware detection software, including Adaware. It operates as a subsidiary of Avanquest, a division of Claranova.

security software

Gpg4win is an email and file encryption package for most versions of Microsoft Windows and Microsoft Outlook, which utilises the GnuPG framework for symmetric and public-key cryptography, such as data encryption, digital signatures, hash calculations etc.

German multinational cybersecurity and anti-virus provider

password recovery software

RootkitRevealer is a proprietary freeware tool for rootkit detection on Microsoft Windows by Bryce Cogswell and Mark Russinovich. It runs on Windows XP and Windows Server 2003 (32-bit-versions only). Its output lists Windows Registry and file system API discrepancies that may indicate the presence of a rootkit. It is the same tool that triggered the Sony BMG copy protection rootkit scandal.

Immunet was a free, cloud-based, community-driven antivirus application, using the ClamAV and its own engine. The software is complementary with existing antivirus software. In January 2011 Immunet was acquired by Sourcefire.

exploit mitigation software

pwdump is the name of various Windows programs that outputs the LM and NTLM password hashes of local user accounts from the Security Account Manager (SAM) database and from the Active Directory domain's users cache on the operating system.

computer security software

anti-malware software

inSSIDer is a Wi-Fi network scanner application for Microsoft Windows and OS X developed by MetaGeek, LLC. It has received awards such as a 2008 Infoworld Bossie Award for "Best of Open Source Software in Networking", but as of inSSIDer 3, it is no longer open-source.

Russian antivirus software