Ackcent Cybersecurity vs UnderDefense: MDR comparison 2026
Ackcent Cybersecurity and UnderDefense are both Pure-play MDRs that work with your existing tools. Ackcent Cybersecurity targets SMB, Mid-market, and Enterprise organizations, while UnderDefense serves Mid-market and Enterprise.
Key differences at a glance
Full comparison
Which should you choose?
Choose Ackcent Cybersecurity if:
- •European or LATAM mid-market companies that want a boutique provider with native Spanish and English support
- •Organizations already running SentinelOne or Stellar Cyber that want a managed layer on top
- •Buyers who prefer a relationship-driven, smaller team over a large-scale SOC operation
Choose UnderDefense if:
- •Mid-market teams with existing EDR/SIEM that want MDR layered on top without ripping and replacing
- •Budget-conscious buyers who value transparent per-device pricing and full data ownership on exit
- •Organizations comfortable with a smaller, newer vendor in exchange for flexibility and no lock-in
- •Breach warranty matters to you (UnderDefense offers one, Ackcent Cybersecurity does not)
- •You want direct Slack integration with your SOC
Bottom line: Both providers target similar markets. Compare their specific response actions, communication channels, and pricing structure to find the better fit for your environment.
Frequently asked questions
What is the main difference between Ackcent Cybersecurity and UnderDefense?
Ackcent Cybersecurity is a Pure-play MDR that is technology-agnostic (works with your existing tools). UnderDefense is a Pure-play MDR that is technology-agnostic (works with your existing tools).
How do Ackcent Cybersecurity and UnderDefense differ in response capabilities?
Ackcent Cybersecurity supports 5 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine) and approval is configurable. UnderDefense supports 6 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine, custom playbooks) and approval is configurable. Incident response is included with Ackcent Cybersecurity and not included with UnderDefense.
How does Ackcent Cybersecurity pricing compare to UnderDefense?
Ackcent Cybersecurity pricing: Custom-quoted pricing. UnderDefense pricing: Starts at $11/device/month (vendor-published). Watch for with Ackcent Cybersecurity: Advisory, Red Team, AppSec, and Training services are separate from base MDR; No public pricing makes cost comparison impossible without direct sales engagement. Watch for with UnderDefense: $11/device is a starting price for marketing. Actual cost varies by scope, and annual contract is required.; 3-year contract required for $1M breach warranty. Not available on 1-year deals..
Should I choose Ackcent Cybersecurity or UnderDefense?
Choose Ackcent Cybersecurity if: european or LATAM mid-market companies that want a boutique provider with native Spanish and English support. Choose UnderDefense if: mid-market teams with existing EDR/SIEM that want MDR layered on top without ripping and replacing. Ackcent Cybersecurity is not ideal for enterprises that need documented SLAs, published detection metrics, or transparent pricing before signing. UnderDefense is not ideal for organizations that require independently validated detection metrics (MITRE, Forrester, etc.) before committing.