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Founded2012; 7 years ago (2012)
FounderLior Div, Yossi Naar, Yonatan Striem-Amit
Key people
Lior Div (CEO)
ProductsSecurity software

Cybereason is a cybersecurity technology company founded in 2012 by cybersecurity experts including Lior Div (CEO), Yossi Naar (CVO), and Yonatan Striem-Amit (CTO). It is headquartered in Boston, Massachusetts, with additional office locations in London, UK, Tokyo, Japan, and Tel Aviv, Israel.

The Cybereason Defense Platform combines Cybereason NGAV, which resolves commodity malware, ransomware, exploits, and fileless malware threats, with Cybereason EDR, which allows security analysts to investigate more complex incidents and threat hunt.

Cybereason’s elite cybersecurity research team, Nocturnus, that has been involved in the defense and investigation of several major global cyberattacks, including NotPetya, Bad Rabbit, Operation Cobalt Kitty, and Operation Soft Cell.

Cybereason hosts the Malicious Life podcast, which tells the unknown stories of the history of cybersecurity, with commentary and reflections by hackers, security experts, journalists, and political leaders. The podcast has a large security following of over 30,000 listeners, and has reached the top 10 best technology podcasts on iTunes.

Cybereason’s customers include Fortune 500 companies across multiple industries, including manufacturing, healthcare, financial services, local government agencies and public utilities.


In July 2012, Cybereason was founded and incorporated in Delaware, USA.

In 2014, Cybereason established its headquarters in Boston, MA.

In April 2016, Cybereason formed a joint venture with SoftBank, Cybereason Japan Corp, which is located in Tokyo, Japan.

In August 2016, Cybereason incorporated a subsidiary in the United Kingdom.

In December 2016, Cybereason released a free consumer software product for the prevention of ransomware called RansomFree. RansomFree was downloaded by over 500,000 people before it reached end-of-life in November 2018.

In May 2017, Cybereason researchers uncovered a large-scale advanced persistent threat in Asia, Operation Cobalt Kitty.

In June 2017, Cybereason launched Malicious Life, a podcast that tells the unknown stories of the history of cybersecurity, with commentary and reflections by real hackers, security experts, journalists, and political leaders.

In June 2017, Cybereason researchers discovered a vaccination for the NotPetya ransomware.

In 2017, Cybereason established an office in London, England.

In October 2017, Cybereason researchers discovered a vaccination for the Bad Rabbit ransomware.

In 2018, Cybereason released The Defenders movie, a behind-the-scenes look at cyberattacks and the people that stop them.

In 2018, Cybereason officially announced a partnership with ARM to pioneer protection for the IoT ecosystem.

In 2018, Cybereason officially expanded to offer global security services including 24/7 monitoring, response, and hunting services with a follow-the-sun model.

In 2019, Cybereason uncovered a nation-state sponsored espionage operation that leveraged telecommunications providers, Operation Soft Cell.


In 2014, Cybereason raised Series A funding from Charles River Ventures.[1] In total, Cybereason reports having raised $88.6M in funding rounds, receiving $59M in its Series C round from Softbank in 2015. .[2]

In August 2019, Cybereason raised $200 million in new financing from SoftBank Group and its affiliates.[3]


Cybereason offers an endpoint protection platform. “It is a hybrid with sensors at the endpoints that communicate with a ‘hunting engine’ in the cloud."[4] It delivers next-generation antivirus software, Endpoint Detection and Response with one agent and a suite of managed services.[5]

Threat Research[edit]


Nocturnus is Cybereason’s security research arm. They are a group of cybersecurity experts with broad experience in cyber offense and defense from various security groups that focus on cutting edge, advanced research. The team has spent years studying the adversary and defending against some of the world's most advanced cyber attacks.

NotPetya and BadRabbit[edit]

The Nocturnus team specializes in discovering new attack methodologies, reverse-engineering malware, and exposing new system vulnerabilities. Nocturnus was the first to discover a vaccination for two of the largest cyberattacks of 2017-- NotPetya and Bad Rabbit.

Operation Soft Cell[edit]

In June 2019, the Cybereason Nocturnus team released multi-year research that identified an advanced, persistent attack targeting global telecommunications providers. The attack was carried out by a threat actor using tools and techniques commonly associated with Chinese-affiliated threat actors such as APT10. This multi-wave attack focused on obtaining data of specific, high-value targets and resulted in a complete takeover of the network.

This research has received worldwide press coverage from outlets like TechCrunch, The Wall Street Journal, SC Magazine, Bloomberg, CBS, WIRED, BBC, and others.


  1. ^ Lomas, Natasha (2014-02-11). "Cybereason Takes Its Malicious Ops Detection Platform Out Of Stealth, Backed By $4.6M From CRV". Techcrunch.
  2. ^ Hackett, Robert (2015-08-13). "Israeli security startup Cybereason raises $59 million in funding round led by Softbank". Fortune.
  3. ^ "Cybereason raises $200 million for its enterprise security platform". TechCrunch. Retrieved 2019-08-06.
  4. ^ Stephenson, Peter (2016-08-22). "Review: Cybereason Detection & Response Platform". SC Magazine.
  5. ^ "Cybereason Defense Platform\website=Cybereason".

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