Question: What are the other familiar internet security products along with worlds largest dedicated security technology company?

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Federal Office for Information Security: The Federal Office for Information Security (German: "Bundesamt für Sicherheit in der Informationstechnik" , abbreviated as BSI) is the German Upper-level Federal agency in charge of managing computer and communication security for the German government.  Its areas of expertise and responsibility include the security of computer applications, critical infrastructure protection, Internet security, cryptography, counter eavesdropping, certification of security products and the accreditation of security test laboratories.  It is located in Bonn and has over 600 employees.  Its current president, since 1 February 2016, is former business executive Arne Schönbohm, who took over the presidency from Michael Hange.

Digital security: Internet security involves the protection of a computer's internet account and files from intrusion by an outside user.  Internet users today are very familiar with companies like Symantec (Norton Anti-Virus) and McAfee that provide them with internet security products to guard against computer viruses, as well as to provide secure firewalls and protection against spyware.

HP Application Security Center: HP Application Security Center (ASC) was a set of technology solutions by HP Software Division.  Much of the portfolio for this solution suite came from HP's acquisition of SPI Dynamics.  The software solutions enabled developers, quality assurance (QA) teams and security experts to conduct web application security testing and remediation.  The security products have been repackaged as enterprise security products from the HP Enterprise Security Products business in the HP Software Division.

Qihoo 360: Qihoo 360 (; approximate pronunciation CHEE-hoo), full name Qihoo 360 Technology Co. Ltd., is a Chinese internet security company known for its antivirus software (360 Safeguard, 360 Mobile Safe), Web Browser (360 Browsers), and Mobile Application Store (360 Mobile Assistant).  It was founded by Zhou Hongyi and Qi Xiangdong in June 2005.  Qihoo 360 had 496 million users for its Internet Security products and 641 million users for its Mobile Antivirus products as of June 2014.

McAfee: McAfee, Inc. ( ; known as Intel Security Group in 2014–2017) is an American global computer security software company headquartered in Santa Clara, California and, it says, the world's largest dedicated security technology company.

VirnetX: VirnetX (NYSE MKT: [ VHC] ) is a company founded by former engineers and executives from Science Applications International Corporation (SAIC) which developed security technology for the Department of Homeland Security and other federal agencies.  These resulted in patentable technologies which secure LTE communications.  Some call VirnetX a patent troll because they expanded their Patent Portfolio beyond the original four Internet Security Patents to include more than 100 related patents, thus securing their position as a leader in mobile security technology, and based on the fact that the majority of their employees are lawyers and they have yet to commercialize any of their patents in commercial products.  The company has over 80 Internet security patents worldwide, and 100 patents pending.

Witty (computer worm): The Witty worm is a computer worm that attacks the firewall and other computer security products written by a particular company, Internet Security Systems (ISS) now IBM Internet Security Systems.  It was the first worm to take advantage of vulnerabilities in the very pieces of software designed to enhance network security, and carried a destructive payload, unlike previous worms.  It is so named because the phrase "(^.^) insert witty message here (^.^)" appears in the worm's payload.

CYREN: Cyren Ltd., formerly known as Commtouch, is a cloud-based, Internet security technology company providing threat detection and security analytics such as spam classifications, Uniform Resource Locator (URL) categorization, and malware detection to software and hardware vendors, service providers and value-added resellers (VARs) for resale to small to medium-sized businesses (SMBs), as well as enterprises.  Its web security, email security, and anti-malware products are offered through a security-as-a-service (Secaas) delivery model.  The corporation currently employs approximately 200 staff members and has its U.S. headquarters in McLean, Virginia, USA with subsidiaries in Herzliya, Israel, Berlin, Germany and Reykjavík, Iceland.  Its common stock is currently listed on the NASDAQ Stock Exchange and the Tel Aviv Stock Exchange under the ticker symbol CYRN.

Center for Internet Security: The Center for Internet Security (CIS) is a 501(c)(3) not-for-profit organization founded in October, 2000, whose mission is to "enhance the cyber security readiness and response of public and private sector entities, with a commitment to excellence through collaboration."  The company is located in East Greenbush, New York and is led by its President and CEO, William F. Pelgrin.  It is composed of roughly 180 members from 17 different countries.  CIS strives to improve global internet security by creating and fostering a trustable and secure environment to bridge the public and private sectors.  In addition, at the national and international level, CIS plays an important role in forming security policies and decisions.  CIS has four divisions: the Central Intelligence Center, the Multi-State Information Sharing and Analysis Center (MS-ISAC), Security Benchmarks, and the Trusted Purchasing Alliance.  Through these four divisions, the Center for Internet Security works with a wide range of entities, including those in academia, the government, and both the private sector and general public to increase their online security by providing them with products and services that improve security efficiency and effectiveness.

Trend Micro Internet Security: Trend Micro Internet Security (known as PC-cillin Internet Security in Australia and Virus Buster in Japan) is an antivirus and online security program developed by Trend Micro for the consumer market.  According to NSS Lab comparative analysis of software products for this market in 2014, Trend Micro Internet Security was fastest in responding to new internet threats.

Supporting paragraphs: Digital security McAfee
Answer: Symantec (Norton Anti-Virus)