Cyber Security
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Cybersecurity · MDR / XDR

Managed Detection and Response

24×7 detection and response across endpoints, identity, network, and cloud — alerts that get worked and contained, not just forwarded to your inbox.

24×7×365

Analyst-staffed monitoring and response

277 days

Industry-average time to identify & contain a breach — IBM. MDR compresses it to hours.

< 15 min

Target time to begin analyst triage on a critical detection

What you get

An outcome — threats found and stopped — not another tool you have to staff, tune, and watch yourself.

24×7 monitoring

Our SOC watches your environment around the clock, correlating signals across endpoint, identity, network, and cloud so a threat is caught wherever it first shows up.

  • No overnight or weekend blind spots
  • Cross-domain correlation, not siloed alerts
  • Detections mapped to MITRE ATT&CK

Analyst-driven triage

Every alert that matters is investigated by a human analyst, enriched with context, and either closed as benign or escalated with a clear, recommended action.

  • Real investigation, not auto-forwarded alerts
  • False positives filtered out before they reach you
  • Plain-language findings and next steps

Active containment

Under playbooks we agree with you up front, we isolate hosts, disable accounts, and block indicators in real time — stopping the spread instead of just describing it.

  • Host isolation and account lockout
  • Indicator blocking at the endpoint and edge
  • Every action logged for the record

Threat hunting

Proactive, hypothesis-led hunts using current threat intelligence to find the quiet activity that automated detections miss — before it becomes an incident.

  • Intel-driven hunts on emerging techniques
  • Findings become new detection content
  • Regular hunt reporting

Coverage across your estate

Detection is only as good as its visibility. We ingest and correlate telemetry from every layer attackers move through.

Endpoint (EDR)

Deep process, file, and behavior telemetry from laptops, desktops, and servers — the ground truth for most detections and the surface for containment.

Identity

Sign-in, MFA, and privilege activity from Entra ID, Okta, and Active Directory — where modern attacks increasingly begin and escalate.

Network & edge

Firewall, VPN, and DNS signals that reveal command-and-control, lateral movement, and data exfiltration across your perimeter.

Cloud & SaaS

Control-plane and audit logs from AWS, Azure, GCP, and Microsoft 365 so misconfigured, over-permissioned, and compromised cloud identities are caught.

Managed detection vs. doing it yourself

Most teams don't lack tools — they lack the 24×7 staffing and tuning to make those tools produce answers.

Alerts-only tooling

An EDR or SIEM that fires alerts nobody has time to work becomes shelf-ware. Detection without response just documents the breach.

Building an in-house SOC

A round-the-clock team is three to five analysts minimum, plus tooling, threat intel, and retention against burnout — six-plus figures before the first alert is worked.

intSignal MDR/XDR

You get the analysts, the tuning, the threat intel, and the response playbooks as a service — coverage that would take a year and a team to stand up internally.

Why intSignal

Vendor-flexible

We work with the EDR/XDR you've already invested in, or recommend and deploy one — no forced rip-and-replace to fit our stack.

  • Keep your existing Defender, CrowdStrike, or SentinelOne
  • No per-analyst tooling lock-in

One program with your SOC & SIEM

MDR is coordinated with our SOC and SIEM services, so detection, correlation, and response are a single program — not three vendors pointing at each other.

  • Shared detection content and context
  • One escalation path during an incident

Evidence-ready

Every response action and timeline is documented to satisfy auditors, cyber-insurers, and post-incident reviews — the paperwork is done before you need it.

  • Defensible incident timelines
  • Reporting mapped to your frameworks

How we run detection & response

A repeatable program that gets measurably sharper every month — not a black box.

1

Onboard & integrate

We connect your EDR, identity provider, firewalls, and cloud logs, and baseline what normal looks like in your environment.

2

Tune detections

We map coverage to MITRE ATT&CK, cut the noise, and build the response playbooks — including exactly what we're authorized to contain automatically.

3

Detect, triage & contain

Around the clock, telemetry is correlated and triaged by analysts; confirmed threats trigger containment within the agreed scope.

4

Report & improve

Monthly reviews cover what we caught, mean-time-to-respond, tuning changes, and the next improvements to your detection roadmap.

Tools & frameworks we work with

We meet you where your stack already is, and align detections to the standards your auditors and insurers expect.

Microsoft Defender XDR
CrowdStrike Falcon
SentinelOne
Palo Alto Cortex XDR
Microsoft Sentinel
Elastic Security
MITRE ATT&CK
Sigma detections
Microsoft Entra ID
Okta
AWS / Azure / GCP logs
Threat-intel feeds

Frequently asked questions

What's the difference between MDR and XDR?

XDR is the technology — it unifies telemetry from endpoint, identity, network, and cloud into correlated detections. MDR is the service wrapped around it: our analysts operate that technology 24×7, investigate what it surfaces, and respond on your behalf. We deliver MDR on top of XDR tooling so you get both the platform and the people.

Do we have to replace our existing EDR?

No. We're vendor-flexible and work with the EDR/XDR you've already deployed — Microsoft Defender, CrowdStrike, SentinelOne, and others. If you don't have one, or your current tool is a poor fit, we'll recommend and deploy one, but there's no forced rip-and-replace.

How fast do you respond to a critical alert?

Our target is to begin analyst triage on a critical detection in under 15 minutes, around the clock. Containment actions — isolating a host, disabling an account, blocking an indicator — happen immediately under the playbooks we agree with you during onboarding.

What actions will you take on our behalf during an incident?

Only what you've authorized in advance. During onboarding we define the containment playbooks — for example, automatically isolating an endpoint showing ransomware behavior, or disabling a compromised account — and where you'd rather we escalate for approval first. Every action is logged.

How is MDR different from a SIEM or a managed SIEM?

A SIEM aggregates and correlates logs; a managed SIEM adds someone to run the platform. MDR is response-led — the goal isn't just to surface an alert, it's to investigate it and stop the threat. Our MDR and SIEM services are designed to run together as one program rather than as separate contracts.

Does MDR help with cyber insurance and compliance?

Yes. 24×7 monitoring and documented response are increasingly required to qualify for — and keep — cyber-insurance coverage, and they satisfy detection-and-response controls in SOC 2, ISO 27001, HIPAA, and similar frameworks. We provide the incident timelines and reporting your assessors and insurers ask for.

Built for regulated, audited environments

We deliver the controls and evidence that make your audits possible — hardening and operating practices aligned to the frameworks your assessors and customers recognize.

SOC 2
ISO 27001
HIPAA
PCI DSS
CIS Controls
NIST CSF
GDPR

MDR / XDR for your environment

Tell us your stack and priorities — we return scope, ownership, and a plan.