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Nov 22, 2021
Microsoft Exchange Vulnerability - CVE-2021-42321
THE THREAT eSentire has identified publicly available Proof-of-Concept (PoC) exploit code, for the critical Microsoft Exchange vulnerability CVE-2021-42321. CVE-2021-42321 was announced as part of Microsoft’s November Patch Tuesday release. Exploitation would allow a remote threat actor, with previous authentication, to execute code on vulnerable servers. Prior to the patch release, Microsoft…
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eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1000+ organizations in 70+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
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Oct 28, 2021
Telarus and eSentire Expand Partnership to Safeguard Enterprises Globally Against Business Disrupting Ransomware and Zero-Day Attacks
London, UK and Sydney, Australia– Oct. 28, 2021 - eSentire, recognized globally as the Authority in Managed Detection and Response (MDR), today announces the expansion of its partnership with Telarus, the largest privately-held distributor of business cloud infrastructure and contact centre services. Building on their mutual success across North America, Telarus will bring eSentire’s Managed…
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News releases — Apr 26, 2018

Former Blackberry CFO James Yersh joins eSentire as CAO

James Yersh to Lead Finance and Administrative Functions for High-growth Cybersecurity Company

CAMBRIDGE, ONTARIO – April 26, 2018 – eSentire, Inc., the largest pure-play Managed Detection and Response (MDR) provider, today announced the appointment of James Yersh as Chief Administrative Officer (CAO), effective immediately. Yersh will be responsible for the finance functions of the business, as well as human resources, and risk/compliance.

Yersh is the latest seasoned executive to join eSentire’s veteran leadership team, with a focus on scaling the high-growth company.

“James brings proven executive, financial, and operational expertise with public companies in the global technology space,” said Kerry Bailey, eSentire CEO. “This, combined with his experience in scaling high-growth companies, will be a significant asset to eSentire as we enter our next phase of growth.”

Over his 20+ year career, Yersh has transformed financial strategies, revenue growth models, and led more than 30 merger and acquisition deals for leading technology and telecommunications companies, including BlackBerry and Cognos Incorporated.

Most recently, Yersh served as Chief Financial Officer and executive vice president of corporate development for KORE Wireless, where he was responsible for all aspects of the company’s financial operations, as well as key corporate development functions.

Prior to KORE, Yersh served as Chief Financial Officer of BlackBerry, where he successfully guided the company through a strategic transformation (from a hardware to a software company) and created the financial models and structures to enable the pivot.

Yersh also held senior-level roles at companies including Cognos Incorporated and Deloitte & Touche LLP. While at Deloitte, Yersh achieved Certified Information Systems Security Professional (CISSP) certification.

About eSentire:

eSentire® is the largest pure-play Managed Detection and Response (MDR) service provider, keeping organizations safe from constantly evolving cyber attacks that technology alone cannot prevent. Its 24x7 Security Operations Center (SOC), staffed by elite security analysts, hunts, investigates and responds in real-time to known and unknown threats before they become business disrupting events. Protecting more than $5.7 trillion AUM in the financial sector alone, eSentire absorbs the complexity of cybersecurity, delivering enterprise-grade protection and the ability to comply with growing regulatory requirements. For more information, visit www.esentire.com and follow @eSentire.

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