Qihoo 360

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Chinese computer security software company

title: "Qihoo 360" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["qihoo-360", "companies-formerly-listed-on-the-new-york-stock-exchange", "companies-listed-on-the-shanghai-stock-exchange", "computer-security-software-companies", "software-companies-based-in-beijing", "chinese-companies-established-in-2005", "software-companies-established-in-2005", "chinese-brands", "chaoyang-district,-beijing", "2011-initial-public-offerings", "2016-mergers-and-acquisitions", "2005-establishments-in-beijing"] description: "Chinese computer security software company" topic_path: "technology/computing" source: "https://en.wikipedia.org/wiki/Qihoo_360" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Chinese computer security software company ::

::data[format=table title="Infobox company"]

FieldValue
name360 Security Technology, Inc.
logoQihoo 360 logo.png
logo_size200px
imageBlock B north entrance of 360 Company (20250325115854).jpg
image_captionHeadquarters
native_name三六零安全科技股份有限公司
native_name_langzh
typePublic
foundation
founderZhou Hongyi (Chairman, CEO, co-founder), Qi Xiangdong (President, director, co-founder)
traded_as
hq_location_cityBeijing
hq_location_countryChina
area_servedWorldwide
key_peopleZhou Hongyi, Qi Xiangdong, Cao Shu (Chief Engineer & Director), Xu Zuoli Alex (Co-CFO), Yao Jue (Co-CFO)
industryComputer software
productsSecurity software
servicesComputer security
revenue$1.39 billion (2014)
net_income$222.8 million (2014)
subsidOpera (20%)
num_employees4,200
homepage
::

| name = 360 Security Technology, Inc. | logo = Qihoo 360 logo.png | logo_size = 200px | image = Block B north entrance of 360 Company (20250325115854).jpg | image_caption = Headquarters | native_name = 三六零安全科技股份有限公司 | native_name_lang = zh | type = Public | foundation = | founder = Zhou Hongyi (Chairman, CEO, co-founder), Qi Xiangdong (President, director, co-founder) | traded_as = | location = | hq_location_city = Beijing | hq_location_country = China | area_served = Worldwide | key_people = Zhou Hongyi, Qi Xiangdong, Cao Shu (Chief Engineer & Director), Xu Zuoli Alex (Co-CFO), Yao Jue (Co-CFO) | industry = Computer software | products = Security software | services = Computer security | revenue = $1.39 billion (2014) | net_income = $222.8 million (2014) | subsid = Opera (20%) | num_employees = 4,200 | homepage =

360 Security Technology Inc., also branded as Qihoo 360 (, 奇虎 qíhǔ), is a Chinese internet security company that has developed the antivirus software programs 360 Safeguard and 360 Mobile Safe, the Web browser 360 Secure Browser, and the mobile application store 360 Mobile Assistant. It was founded by Zhou Hongyi and Qi Xiangdong in June 2005. The company's head office is in Chaoyang, Beijing.

History

In the summer of 2012, Qihoo 360 entered the smartphone market by launching the Battleship phone together with the large Chinese electronics company Haier. Qihoo 360 stated that Haier will provide the hardware while Qihoo 360 will focus on customising the software, albeit the main operating system will be Android. Qihoo 360 received over 220,000 pre-orders for the phone the first day.

Later in 2012, Qihoo 360 launched the search engine so.com, thereby directly competing with Baidu, the most prominent search engine in China. Qihoo's share of unique visitors grew to 10.52% of the total search engine market in China. At the end of July 2013, Qihoo was in early talks to acquire Sohu.com’s Sogou.com search engine for around $1.4 billion. In early 2015, Qihoo rebranded its so.com search engine as haosou.com. "Hao" in Chinese means good; Haosou directly translated to English means "good search engine".

In December 2013, the company increased its stake in the Brazilian tech company PSafe.

On July 11, 2014, the company set up a venture capital fund in Silicon Valley.

On December 18, 2015, Qihoo 360 agreed to be acquired by a group of investors in a deal valued at about $9.3 billion. On July 18, 2016, Qihoo 360 bought most of Opera Software for US$600 million. In 2018, Qihoo 360 invested in Shanghai-based i-Soon.

U.S. sanctions

In May 2020, Qihoo 360 and other Chinese companies were placed on the Bureau of Industry and Security's Entity List due to U.S. national security concerns. The U.S. accused Qihoo 360 and others of playing roles in the crackdown in Xinjiang by "enabling China’s high-technology surveillance" in Xinjiang. On 25 May, Chinese Foreign Ministry spokesman Zhao Lijian strongly criticized the step, asking the US to "revoke the relevant decision and stop interfering in China’s internal affairs". In October 2022, the United States Department of Defense added Qihoo 360 to a list of "Chinese military companies" operating in the U.S.

Controversies

Lawsuits

Qihoo has been described by Forbes as a confrontational and litigious company due to its involvement in various anti-competition lawsuits.

The company was involved in lawsuits with Tencent, starting with the 360 v. Tencent dispute, as well as other companies such as Baidu, Emiage, and Sogou.

Traffic data

The company has been accused by Anonymous of overstating the volume of traffic to its site to attract advertisers.

Antivirus test results

The antivirus testing companies AV-Comparatives of Austria, Germany's AV-Test, and Virus Bulletin of the UK have accused Qihoo of providing for testing its anti-virus equipped with a Bitdefender engine, while the consumer version uses Qihoo's own QVM engine.

Certificates

According to documents released by the Mozilla Corporation in 2016, Qihoo appears to have acquired a controlling interest in the previously Israeli-run Certificate Authority "StartCom", through a chain of acquisitions, including the Chinese-owned company WoSign. WoSign also has a certificate authority business; WoSign has been accused of poor control and of misissuing certificates. Furthermore, Mozilla alleges that WoSign and StartCom violate their obligations as Certificate Authorities in respect of their failure to disclose the change in ownership of StartCom; Mozilla is threatening to take action, to protect their users.

Google have stated that their Chrome product will no longer trust by default any certificates signed by StartCom or Wosign roots, starting with Chrome 61. Mozilla have stated that their Firefox product will no longer trust by default any certificates signed by StartCom or WoSign roots, starting with Firefox version 58.

Hidden backdoors

In 2012, a whistleblower reported a hidden backdoor in 360 Secure Browser. The Product Director of 360 Secure Browser, Tao Weihua, responded that "Whoever has a mind to beat a dog will always be able to find a stick" and accused the whistleblower of "smearing 360 on behalf of Baidu", which the whistleblower said was "the worst professional response in history". Independent analysis of the claim showed that the browser has an "undeclared mechanism (i.e., via ExtSmartWiz.dll) which regularly connects to the server (e.g., every 5 minutes), and allows it to download files of any type (including executables) from the server."{{Cite web | title = Independent Report on Alleged "Hidden Backdoor" in Qihoo 360 Secure Browser | author = Intelligence Defense Friends Laboratory | date = November 25, 2012 | access-date = 2017-06-21 | url = http://www.valleytalk.org/wp-content/uploads/2013/03/Independent-Report-on-Alledged-Hidden-Backdoor-in-Qihoo-360-Secure-Browser-v1.4.pdf | archive-url = https://web.archive.org/web/20140327065357/http://www.valleytalk.org/wp-content/uploads/2013/03/Independent-Report-on-Alledged-Hidden-Backdoor-in-Qihoo-360-Secure-Browser-v1.4.pdf | archive-date = March 27, 2014 | url-status = dead

In October 2020, Mnemonic reported the existence of a backdoor affecting a line of children's watches under the Xplora brand manufactured by Qihoo.

Samsung device cleaner

In January 2020, a Reddit user reported Qihoo's presence in Samsung mobile phones as a pre-installed storage cleaner in the device settings, from where it sends data packages to Chinese servers. The user could not identify which information is sent specifically. Later, Samsung representative declared that the only data sent back to Qihoo is generic information needed to optimize storage — specifically naming OS version, phone model, and storage capacity, among other data. Qihoo's main contribution is a reference library for identifying junk files, but that library is stored locally in the utility, and Qihoo never receives data that would allow it to identify a particular file on a user's device.

Widespread streaming webcasts of security footage in China

In December 2017, the Chinese Government acted to curtail the widespread webcasting of live security-company-cameras, private webcams, and IP camera footage, voicing concerns of violations of privacy and portrait rights, sanctioning Qihoo.

National Business Daily lawsuit

Main article: National Business Daily#Dispute with Qihoo 360

References

References

  1. "2014 Annual Report". Qihoo.
  2. (2018-02-28). "Tech Mogul Gets $13 Billion Richer Just by Leaving New York for China". Bloomberg.com.
  3. "Qihoo 360 Technology Company Limited – Investor Relations – Management".
  4. (April 2023). "CEO profile".
  5. "[http://corp.360.cn/cu/contactus.html Contact Us] {{webarchive. link. (2011-04-05 ." Qihoo 360. Retrieved on May 11, 2016. "Address :Building #2, No. 6 Jiuxianqiao Road, Chaoyang District, Beijing 100015, China")
  6. "Qihoo 360 Launches Battleship Phone".
  7. "220,000 pre-order of the Battleship phone".
  8. "Qihoo market share".
  9. (19 July 2013). "Deals of the day -- mergers and acquisitions". Reuters.
  10. (8 January 2015). "Qihoo 360 Re-brands Its Search Engine So.com To Haosou.com".
  11. (4 December 2013). "The New York Times Dealbook: Qihoo Chinese Firm Increases Stake in Brazilian Tech Company".
  12. "PSafe Official Website".
  13. Lizette Chapman. (19 July 2013). "360nJoinsnAsian Companies Launching VC Groups in Silicon Valley". The Wall Street Journal.
  14. (18 December 2015). "Chinese tech company Qihoo 360 latest to be taken private".
  15. Lunden, Ingrid. (18 July 2016). "Opera renegotiates its $1.2B sale down to $600M for its browsers, privacy apps, Chinese JV – TechCrunch".
  16. (2024-02-29). "Same Same, but Different".
  17. (2020-05-23). "Dozens of Chinese companies added to U.S. blacklist in latest Beijing rebuke". Reuters.
  18. McDonald, Joe. (2020-05-25). "China Demands US Withdraw Sanctions on Tech Suppliers". Associated Press.
  19. McDonald, Joe. (25 May 2020). "China demands US withdraw sanctions on tech suppliers". [[AP News]].
  20. (2022-10-05). "DOD Releases List of People's Republic of China (PRC) Military Companies in Accordance With Section 1260H of the National Defense Authorization Act for Fiscal Year 2021".
  21. Custer, Charles. (24 Feb 2014). "Qihoo 360 Loses In Court Again". Forbes Asia.
  22. Kan, Michael. (22 Nov 2010). "Chinese Internet Firms Forced to Apologize Over Privacy Spat". PCWorld.
  23. Custer, Charles. (5 Sep 2013). "Baidu sues Qihoo 360 for unfair competition, asks for $100k in compensation". Tech in Asia.
  24. Custer, Charles. (18 Oct 2014). "Oh, the irony: days after losing its own monopoly abuse suit, Qihoo is getting sued for monopoly abuse". Tech in Asia.
  25. Custer, Charles. (20 Jan 2015). "Qihoo 360 loses again in China's courts, ordered to pay Sogou $8.2 million for unfair competition". Tech in Asia.
  26. Muncaster, Phil. (3 Jul 2012). "China's internet wunderkind in the dock over alleged fraud". The Register.
  27. Wan, Adrian. (5 May 2015). "Qihoo cuts ties with three antivirus testing firms in software dispute". South China Morning Post.
  28. Keizer, Gregg. (1 May 2015). "Antivirus test labs call out Chinese security company as cheat". Computerworld.
  29. Dan Goodin. (27 September 2016). "Firefox ready to block certificate authority that threatened Web security".
  30. "WoSign and StartCom". Mozilla Corp..
  31. Osborne, Charlie. "Google guillotine falls on certificate authorities WoSign, StartCom – ZDNet".
  32. (September 2017). "Mozilla to Completely Ban WoSign, StartCom Certificates in Firefox 58 – SecurityWeek.Com".
  33. Claburn, Thomas. (October 12, 2020). "Backdoorer the Xplora: Kids' smartwatches can secretly take pics, record audio on command by encrypted texts". [[The Register]].
  34. (6 January 2020). "Prevent Samsung's Shady 360 Storage Cleaner from Phoning Home to China".
  35. (8 January 2020). "Samsung's Device Care app is sending data back to China — but it's less scary than it sounds".
  36. Zhang, Sarah. (6 November 2014). "A Creepy Website Is Streaming From 73,000 Private Security Cameras".
  37. (20 December 2017). "China surveillance streaming platform shut down amid privacy concerns". Reuters.
  38. (13 December 2017). "Privacy fears over online surveillance footage broadcasts in China".

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qihoo-360companies-formerly-listed-on-the-new-york-stock-exchangecompanies-listed-on-the-shanghai-stock-exchangecomputer-security-software-companiessoftware-companies-based-in-beijingchinese-companies-established-in-2005software-companies-established-in-2005chinese-brandschaoyang-district,-beijing2011-initial-public-offerings2016-mergers-and-acquisitions2005-establishments-in-beijing