NTT Security Holdings vs SISA ProACT
NTT Security Holdings and SISA ProACT are both Services firms that work with your existing tools. NTT Security Holdings targets Mid-market and Enterprise organizations, while SISA ProACT serves Mid-market and Enterprise. NTT Security Holdings includes 5 attack surfaces in base pricing (Endpoint, Cloud, Identity, Network, OT/ICS), compared to 0 for SISA ProACT ().
Buyer brief
NTT Security Holdings and SISA ProACT are both Services firms that work with your existing tools. NTT Security Holdings targets Mid-market and Enterprise organizations, while SISA ProACT serves Mid-market and Enterprise. NTT Security Holdings includes 5 attack surfaces in base pricing (Endpoint, Cloud, Identity, Network, OT/ICS), compared to 0 for SISA ProACT ().
NTT Security Holdings offers broader coverage (5 surfaces vs. 0). SISA ProACT may suit teams that need depth over breadth.
At a glance
| FIELD |  |  |
|---|---|---|
| Best fit | Global enterprises needing follow-the-sun SOC coverage across NA, Europe, and APAC | Regulated organizations that need MDR plus PCI, payment forensics and incident-response depth from the same provider |
| Price | SamurAI XDR SaaS: $3.33/endpoint/mo; MDR custom | Custom quote |
| Response authority | 1/6 actions · Configurable | 2/6 actions · Configurable |
| Stack | Works with existing stack | Works with existing stack |
| Data access | Dashboards | Reports only |
| Warranty | None listed | None listed |
- Best fit
- Global enterprises needing follow-the-sun SOC coverage across NA, Europe, and APAC
- Price
- SamurAI XDR SaaS: $3.33/endpoint/mo; MDR custom
- Response authority
- 1/6 actions · Configurable
- Stack
- Works with existing stack
- Data access
- Dashboards
- Warranty
- None listed
- Best fit
- Regulated organizations that need MDR plus PCI, payment forensics and incident-response depth from the same provider
- Price
- Custom quote
- Response authority
- 2/6 actions · Configurable
- Stack
- Works with existing stack
- Data access
- Reports only
- Warranty
- None listed
Detailed comparison
| FIELD | NTT Security HoldingsTECH-AGNOSTIC | SISA ProACTTECH-AGNOSTIC |
|---|---|---|
| Fit | ||
| Target size | Mid-market, Enterprise | Mid-market, Enterprise |
| Sentiment | Positive | Mixed |
| Your stack | ||
| Approach | Works with your tools | Works with your tools |
| EDR integrations | CrowdStrike Falcon InsightMicrosoft Defender for EndpointVMware Carbon Black CloudFortinet FortiEDRTrellix Endpoint Security | Customer EDR |
| SIEM integrations | Fortinet FortiAnalyzer | Customer SIEM |
| Coverage | EPEndpoint: CoveredCloudCloud: CoveredIDIdentity: CoveredSaaSSaaS: Optional add-onNetNetwork: CoveredOTOT/IoT: Covered | EPEndpoint: LimitedCloudCloud: LimitedIDIdentity: LimitedSaaSSaaS: LimitedNetNetwork: LimitedOTOT/IoT: Not covered |
| Response | ||
| Response type | Active Remediation | Active Remediation |
| Approval policy | Configurable | Configurable |
| Response actions | Isolate | Disable accountsCustom playbooks |
| IR included | Separate | Separate |
| Cost | ||
| Price range | Not published. MDR is custom quoted. Vendor-published SamurAI XDR SaaS (self-service, not MDR): $3.33/endpoint/month. | Not published |
| Minimum seats | None | None |
| Breach warranty | – | – |
| More details | ||
| Requires own agent | No | No |
| Endpoints | ✓ Included | ~ Limited |
| Cloud workloads | ✓ Included | ~ Limited |
| Identity | ✓ Included | ~ Limited |
| SaaS apps | + Optional | ~ Limited |
| Network | ✓ Included | ~ Limited |
| OT/ICS | ✓ Included | Not offered |
| Threat hunting | ✓ Included | ✓ Included |
| Response SLA | ≤30 minutes | Not disclosed |
| 24/7 coverage | ✓ | Business hours |
| Pricing model | Custom quoted based on environment size, coverage areas, and service components. Note: SamurAI XDR SaaS (a self-service product, not MDR) is $3.33/endpoint/month. MDR pricing is not published. | Custom quote. SISA does not publish ProACT MDR package pricing. |
| Hidden cost warnings | Incident response is NOT included in base MDR. Requires a separate retainer with separate pricing.. SamurAI Endpoint Agent and Network Traffic Analyzer are add-ons, not included in base service. Clarify which components are in your quote.. Gartner reviewers consistently cite NTT as expensive relative to competitors.. Alert severity over-classification reported by customers, leading to unnecessary after-hours calls for already-blocked threats.. New log source integrations can take significant development time according to customer reviews.. Analysis quality and portal flexibility vary by SOC region per Gartner feedback. | Public pages do not publish MDR pricing, contract minimums or service-credit language.. The service is heavily payment-security oriented, so non-payment buyers should confirm whether use cases fit their environment.. ProACT lists many stack components, including SIEM, EDR, CASB, UEBA, SOAR, threat hunting and dark web monitoring, so buyers should confirm which are included in the base quote.. Response automation is a major part of the pitch, so pre-approved SOAR actions and rollback rules should be documented before go-live.. DFIR and payment forensic services are adjacent SISA services, so buyers should confirm what investigation and response work is included in MDR. |
| Data portability | Partial | Partial |
| Contract terms | Annual, Multi-year | Custom, ProACT Agentic SOC, ProACT MXDR, DFIR Retainer Services |
| Channels | EmailPortalPhone | Portal |
| Data access | Dashboards | Reports only |
| Dedicated analyst | – | – |
| SOC regions | North AmericaEuropeAsia-Pacific | |
| Onboarding | Official docs show ~16 days (2-day portal activation, 14-day orientation). NTT markets 'less than one week' but typical deployments are longer. | Not published. SISA says ProACT can use a customized and scalable stack with cloud and on-premise deployment options, but no standard onboarding duration was found. |
| Industry focus | ManufacturingIndustrialFinancial ServicesEnergyHealthcareGovernmentTelecommunications | PaymentsFintechFinancial Services |
| MTTD | Not published | Not published |
| MTTR | Not published | Not published |
| Community view | Gartner Peer Insights 4.4/5 (21 reviews). NTT DATA (parent group) ranked second by revenue in Gartner Market Share Analysis for Managed Security Services Worldwide 2022. Reviewers praise responsiveness, team continuity, and global reach. Recurring complaints: expensive pricing, alert severity over-classification, and inconsistent analysis quality across SOC regions. Very limited Reddit/community discussion. | No meaningful MDR-specific buyer-review signal was found in major English-language review communities during this pass. The public buyer case rests on SISA's payment-security focus, ProACT Agentic SOC, forensic intelligence, 1,000+ customer claim, 40+ country footprint and PCI forensic-investigation credentials. Buyers should validate pricing, SOC delivery model, response authority and non-payment use cases directly. |
| Compliance | ISO 27001SOC 2 | PCI DSSPCI PINPCI 3DSPCI P2PEPCI S3PCI S-SLCPCI MPoCSWIFTGDPR |
| Certifications | ISO 27001SOC 2ISAE 3000 | PCI Global Payment Forensic InvestigatorPCI Qualified Security AssessorPCI-recognized laboratory for MPoC security evaluationsPCI GEAR committee member |
| Founded | 2000 | 2006 |
| Data retention | 12 months standard retention for security incident data | SISA says ProACT supports PCI-compliant cloud deployments and on-premise options for data localization requirements, including custom Kubernetes and GCP environments. No standard public MDR retention period was found. |
| API available | ✓ | – |
| Website | Visit → | Visit → |
FAQ
What is the main difference between NTT Security Holdings and SISA ProACT?
NTT Security Holdings is a Services firm that is technology-agnostic (works with your existing tools). SISA ProACT is a Services firm that is technology-agnostic (works with your existing tools). SLA commitments differ: NTT Security Holdings offers ≤30 minutes, SISA ProACT offers Not disclosed. NTT Security Holdings covers 5 attack surfaces in base pricing vs. 0 for SISA ProACT.
How do NTT Security Holdings and SISA ProACT differ in response capabilities?
NTT Security Holdings supports 1 autonomous actions (endpoint isolation) and approval is configurable. SISA ProACT supports 2 autonomous actions (account disable, custom playbooks) and approval is configurable.
How does NTT Security Holdings pricing compare to SISA ProACT?
NTT Security Holdings pricing: Not published. MDR is custom quoted. Vendor-published SamurAI XDR SaaS (self-service, not MDR): $3.33/endpoint/month.. SISA ProACT pricing: Not published. Watch for with NTT Security Holdings: Incident response is NOT included in base MDR. Requires a separate retainer with separate pricing.; SamurAI Endpoint Agent and Network Traffic Analyzer are add-ons, not included in base service. Clarify which components are in your quote.. Watch for with SISA ProACT: Public pages do not publish MDR pricing, contract minimums or service-credit language.; The service is heavily payment-security oriented, so non-payment buyers should confirm whether use cases fit their environment..
Should I choose NTT Security Holdings or SISA ProACT?
Choose NTT Security Holdings if: global enterprises needing follow-the-sun SOC coverage across NA, Europe, and APAC. Choose SISA ProACT if: banks, payment processors, fintechs and payment ecosystem buyers that want MDR informed by forensic-investigation experience. NTT Security Holdings is not ideal for sMBs wanting transparent pricing and self-service onboarding. SISA ProACT is not ideal for buyers that need public MDR pricing before sales.
Daylight Security
AI-native MDR for buyers comparing active remediation across endpoint, cloud, identity, and SaaS. Daylight works with existing EDR/SIEM stacks and uses ChatOps-native collaboration, so it can be a useful third reference point in this comparison.