MSP Signal ranks UnderDefense HQ #321 of 45,502 IT service providers nationally. UnderDefense HQ is an IT service provider in New York, NY, founded 2021, with 140 staff. It offers Cloud migration, Co-managed IT, Compliance.
Source: MSP Signal, UnderDefense HQ company profile, Oct 12, 2026, https://mspsignal.com/msp/underdefense-hq
Score breakdown
5 pillars · weighted · 76.5 / 100Signal feed
4 events · 26 wks ending Sep 27, 2026Showing the 3 latest of 4.
Reputation
Google · 0 reviewsServices and offer
from their siteWeb & search
MSPSIG.RPT search scan · technical record▸ Open technical record · web maturity 75 / 100
Record & location
HQPeople & hiring
25 tracked · 5 leadersRecognition, news & about
public sourcesIn their own wordsUnderDefense is a global cybersecurity company founded in 2017 in Lviv, Ukraine. With headquarters in New York, NY, and operational teams in Ukraine and Poland, the company specializes in protecting organizations from advanced cyber threats. UnderDefense offers a range of services, including 24/7 managed detection and response (MDR), incident response, penetration testing, compliance automation, and cybersecurity consulting. The company’s flagship product, the UnderDefense MAXI Platform, launched in 2023, provides a comprehensive security-as-a-service solution. It features centralized monitoring, threat detection, and compliance automation, achieving a mean time to detect critical alerts of just 20 minutes. UnderDefense serves mid-market and enterprise organizations across various sectors, including healthcare, energy, fintech, and IT services, helping them safeguard sensitive data and maintain operational resilience. With a team of approximately 120 certified experts, UnderDefense is recognized for its commitment to empowering companies against rising cyber threats.
What they say about themselves
site quotations · unconfirmed“24/7 concierge team Ensure a strong defense against threats with the support of our award-winning team, which is available 24/7 to provide assistance and expertise as an extension of your team.”
“Download the Playbook Services 24/7 Threat Detection & MAXImum Responsiveness Our human-led MDR service combines expert insight and automation and AI for fast, precise threat response.”
“Expert Concierge team Get 24/7 access to award-winning security analysts to investigate alerts, prioritize incidents, and execute threat remediation while you focus on strategic tasks.”
Frequently asked questions
reuses public facts · FAQ schemaWhere is UnderDefense HQ located?
111 John St.
How many people work at UnderDefense HQ?
UnderDefense HQ has 140 staff.
What services does UnderDefense HQ offer?
Cloud migration, Co-managed IT, Compliance, Cybersecurity.
What compliance frameworks does UnderDefense HQ serve?
CMMC, HIPAA, PCI DSS.
How does UnderDefense HQ rank among IT providers in New York?
#15 of 1,069 observed providers in New York; #321 of 45,502 nationally.
Is UnderDefense HQ claimed on MSP Signal?
Not claimed.
