Computer security companies

() is a Japanese multinational conglomerate founded in 1910 and headquartered in Chiyoda, Tokyo. The company is active in various industries, including digital systems, power and renewable energy, railway systems, healthcare products, and financial systems. The company was founded as an electrical machinery manufacturing subsidiary of the Kuhara Mining Plant in Hitachi, Ibaraki, by engineer Namihei Odaira in 1910. It began operating as an independent company under its current name in 1920.

is a Japanese multinational information technology corporation headquartered at the NEC Supertower in Minato, Tokyo, Japan. It provides IT and network solutions, including cloud computing, artificial intelligence (AI), Internet of Things (IoT) platform, and telecommunications equipment and software to business enterprises, communications services providers and to government agencies. It is one of the five largest defense contractors in Japan.

Russian multinational cybersecurity and anti-virus provider

thumb|right|Branch office in Sunnyvale, California which was formerly home to CrowdStrike headquarters CrowdStrike Holdings, Inc. is an American cybersecurity technology company based in Austin, Texas. It provides endpoint security, threat intelligence, and cyberattack response services.

Israeli security company

Fortinet, Inc. is an American cybersecurity company headquartered in Sunnyvale, California. It develops and sells security products including firewalls, endpoint security and intrusion detection systems. Fortinet has offices in the US, Canada, and UK.

cyber-security company

American computer and network security company

Multi-cloud cybersecurity and application delivery company

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.

Netcraft is an cybersecurity company based in London, England. The company provides cybercrime disruption and digital risk protection services, primarily focused on the automated detection and takedown of online threats.

SonicWall Inc. is an American cybersecurity company that sells a range of Internet appliances primarily directed at content control and network security. These include devices providing services for network firewalls, unified threat management (UTM), virtual private networks (VPNs), virtual firewalls, SD-WAN, cloud security and anti-spam for email. The company also markets information subscription services related to its products. The company also assists in solving problems surrounding compliance with the Health Insurance Portability and Accountability Act (HIPAA) and the Payment Card Industr

Zscaler, Inc. () is an American cloud security company based in San Jose, California. The company offers cloud-based services to protect enterprise networks and data.

WatchGuard, formally known as WatchGuard Technologies, Inc, is an American cybersecurity company based in Seattle, Washington. It specializes in network security solutions aimed at safeguarding computer networks from external threats such as malware and ransomware.

cloud computing security startup

SentinelOne, Inc. is an American cybersecurity company listed on NYSE based in Mountain View, California. The company was founded in 2013 by Tomer Weingarten, Almog Cohen and Ehud ("Udi") Shamir. Weingarten acts as the company's CEO. The company has approximately 2,800 employees and offices in Mountain View, Boston, Prague, Tokyo, and Tel Aviv. The company uses machine learning for monitoring personal computers, IoT devices, and cloud workloads. The company's platform utilizes a heuristic model, specifically its patented behavioral AI. The company is AV-TEST certified.

Librem is a line of computers manufactured by Purism, SPC featuring free (libre) software. The laptop line is designed to protect privacy and freedom by omitting non-free (proprietary) software in their operating system and kernel, avoiding the Intel Active Management Technology, and gradually freeing and securing firmware. Librem laptops feature hardware kill switches for the microphone, webcam, Bluetooth and Wi-Fi.

Fastly, Inc. is an American company based in San Francisco, which describes itself as a cloud computing company. Fastly provides content delivery network services, image optimization, and load balancing services. Fastly's cloud security services include denial-of-service attack protection, bot mitigation, and a web application firewall.

Pentera is a cybersecurity software company specializing in AI-based automated security validation solutions, a category focused on testing the effectiveness of security controls using emulated attack techniques.

Forcepoint is an American multinational corporation software company headquartered in Austin, Texas, that develops computer security software and data protection, cloud access security broker, firewall and cross-domain solutions.

is a Japanese information technology company headquartered in Tokyo, Japan, offering IT services and computer software. Outside of Japan, It is widely known for its acquisition of Sega in 1984, ended in the sale to Sammy in 2004, through which Sega Sammy Holdings was established.

company

American software company

Cybereason is an American cybersecurity technology company founded in 2012. It has offices in La Jolla, California (global HQ); London, UK (EMEA HQ); Tel Aviv, Israel; and several others around the world.

company which delivers network solutions

Clavister is a Swedish company specialized in network security software, listed on NASDAQ First North.

OneSpan Inc. (until 2018 Vasco Data Security International, Inc.) is an information security company based in Boston, Massachusetts. Services include an internet fraud prevention platform, multi-factor authentication tools and electronic signature software.

CyberArk Software Ltd. is an Israeli information security company and a subsidiary of Palo Alto Networks offering identity management. The company's technology is utilized primarily in the financial services, energy, retail, healthcare and government markets. CyberArk is headquartered in Petach-Tikva. The company also has offices throughout the Americas, EMEA, Asia Pacific and Japan.

Emsisoft Ltd. (est. 2003) is a New Zealand-based anti-virus software distributed company. They are notable for decrypting ransomware attacks to restore data.

Mandiant, Inc. is an American cybersecurity firm and a subsidiary of Google. The company published a report in February 2013 that implicated China in cyber espionage. In December 2013, FireEye acquired Mandiant for $1 billion. FireEye later sold its product line, name, and employees to Symphony Technology Group for $1.2 billion in June 2021. In March 2022, Google announced it would acquire Mandiant for $5.4billion. The firm was fully incorporated into the Google Cloud division in September 2022.

HackerOne Inc. is a cybersecurity operations technology company managed by certified information system security professionals who conduct vulnerability threat assessments to identify bugs found on a website, application or server. It was one of the first companies to embrace and utilize crowd-sourced security and cybersecurity researchers as linchpins of its business model; pioneering bug bounty and coordinated vulnerability disclosure. As of December 2022, HackerOne's network had paid over $230 million in bounties. HackerOne's customers include U.S. Department of State, U.S. Department of De