Cybersixgill (formerly 'Sixgill') is an Israeli B2B cyber intelligence company that analyses and monitors the

deep web The deep web, invisible web, or hidden web are parts of the World Wide Web whose contents are not indexed by standard web search-engine programs. This is in contrast to the " surface web", which is accessible to anyone using the Internet. Co ...

and

dark web The dark web is the World Wide Web content that exists on darknets ( overlay networks) that use the Internet but require specific software, configurations, or authorization to access. Through the dark web, private computer networks can communica ...

for threat intelligence. The company was founded in 2014 and is headquartered in

Tel Aviv, Israel Tel Aviv-Yafo ( or , ; ), sometimes rendered as Tel Aviv-Jaffa, and usually referred to as just Tel Aviv, is the most populous city in the Gush Dan metropolitan area of Israel. Located on the Israeli Mediterranean coastline and with a popula ...

. In November 2024, Cybersixgill was acquired by

Bitsight BitSight Technologies, Inc. is a cybersecurity ratings company that analyzes companies, government agencies, and educational institutions. It is based in Back Bay, Boston. Security ratings that are delivered by BitSight are used by banks and in ...

, a security rating company.

History

Sixgill was founded in

Tel Aviv Tel Aviv-Yafo ( or , ; ), sometimes rendered as Tel Aviv-Jaffa, and usually referred to as just Tel Aviv, is the most populous city in the Gush Dan metropolitan area of Israel. Located on the Israeli Mediterranean coastline and with a popula ...

, Israel, in 2014, by Avi Kasztan and Elad Lavi. The idea for Sixgill was developed by Kasztan. Soon after the company was established, it joined the

Citibank Citibank, N.A. ("N. A." stands for "National bank (United States), National Association"; stylized as citibank) is the primary U.S. banking subsidiary of Citigroup, a financial services multinational corporation, multinational corporation. Ci ...

accelerator program. The Sixgill platform uses algorithms and technology to create profiles and patterns of dark web users and hidden social networks. It identifies and tracks potential cyber criminals to prevent malicious activity such as hacking and

data breach A data breach, also known as data leakage, is "the unauthorized exposure, disclosure, or loss of personal information". Attackers have a variety of motives, from financial gain to political activism, political repression, and espionage. There ...

es. Customers of Sixgill include; global 2000 enterprises, financial services, managed security service providers (MSSPs), government and law enforcement agencies. In 2017, Sixgill was responsible for tracking

ISIS Isis was a major goddess in ancient Egyptian religion whose worship spread throughout the Greco-Roman world. Isis was first mentioned in the Old Kingdom () as one of the main characters of the Osiris myth, in which she resurrects her sla ...

cyber activity in relation to threats made towards Prince George and the

British royal family The British royal family comprises Charles III and other members of his family. There is no strict legal or formal definition of who is or is not a member, although the Royal Household has issued different lists outlining who is considere ...

. In 2019, Sixgill agents uncovered the money laundering activities undertaken by cyber criminals through the

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online game in Russian, Chinese, Arabic, English and Spanish.

Funding

In 2014, Sixgill received its initial funding of $1 million from Terra Labs. In 2016, the company raised an additional

series A round A series A is the name typically given to a company's first significant round of venture capital financing. It can be followed by the word round, investment or financing. The name refers to the class of preferred stock sold to investors in excha ...

of $4.3 million composed of $800,000 from Terra Labs and $3.5 million from

Elron Electronic Industries Elron Ventures (formerly Elron Electronic Industries Ltd.) is an Israeli technology holding company based in Tel Aviv; since 1962 the company has been involved in setting up, funding and developing over 30 companies and is considered one of the ...

. In March 2022, Cybersixgill announced a $35 million

Series B A venture round is a type of funding round used for venture capital financing, by which startup companies obtain investment, generally from venture capitalists and other institutional investors. The availability of venture funding is among the ...

funding round raised from seven investors, bringing the company's total investment to $56 million.

Awards and recognition

* 2019 - ''Cool Vendor in Security Operations Threat Intelligence'', by

Gartner Inc Gartner, Inc. is an American research and advisory firm focusing on business and technology topics. Gartner provides its products and services through research reports, conferences, and consulting. Its clients include large corporations, gover ...

References

{{reflist Security software Software companies of Israel Technology companies of Israel