CACrown ArchivesThe cinema collection
Menu
Research dossier · Science & Nature

NetScreen Technologies

American technology company that was acquired by Juniper Networks

Specimen drawers, botanical folios and brass scientific instruments under study light
Science and natureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 3, 2026
Entity authorityQ3190073
Source-derived summary

NetScreen Technologies was an American technology company that was acquired by Juniper Networks for US$4 billion stock in 2004.

NetScreen Technologies developed ASIC-based Internet security systems and appliances that delivered high performance firewall, VPN and traffic shaping functionality to Internet data centers, e-business sites, broadband service providers and application service providers. NetScreen was the first firewall manufacturer to develop a gigabit-speed firewall, the NetScreen-1000.

History

NetScreen Technologies was founded by Yan Ke, Ken Xie, and Feng Deng. Ken Xie, Chief Technology Officer and co-founder was also the CEO until Robert Thomas joined in 1998.

Robert Thomas, NetScreen's president and chief executive officer, came to NetScreen in 1998 from Sun Microsystems, where he was General Manager of Intercontinental Operations for Sun's software business, which includes security, networking, and Internet tools.

Ken Xie left NetScreen in 2000 to found Fortinet, a competing ASIC-based firewall company.

NetScreen acquired its core IPS technology through the purchase of OneSecure, Inc. for US$45 million in stock in 2002. OneSecure was created by Rakesh Loonkar (subsequently the co-founder of Trusteer), and Israeli engineer Nir Zuk, who had been one of Check Point Software’s first employees.

Editorial summary

This brief starts where responsible research should: with the source description of “NetScreen Technologies” as american technology company that was acquired by Juniper Networks. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current lead gives the account dated anchors—2004, 1000, 1998, 2000—that can be checked directly. The linked authority record independently contributes the date 1997. The account is most persuasive where NetScreen, Technologies and American can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the science & nature register because the source frames it as american technology company that was acquired by Juniper Networks. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Sep 3, 2026. The linked authority identifier is Q3190073. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2004, 1000, 1998 and 2000.

Critical limits

Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.

Best used for
  • Current terminology
  • Classification context
  • Finding cited technical literature
Verify next

Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “NetScreen Technologies”, its source revision and the description used here.
  2. Expand the search: follow NetScreen Technologies primary sources, NetScreen Technologies archive and NetScreen research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “NetScreen Technologies”?
  2. Is the terminology current, historical or disputed?
  3. Which observation, specimen, dataset or publication supports the account?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from NetScreen Technologies” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.