From Detection to Action: Elevating Microsoft Sentinel with SIGNL4 Mobile Alerting

Jul 2, 2025 | Integrations, Security

It’s 2:13 a.m. Your Microsoft Sentinel instance has flagged a high-severity alert – potential lateral movement detected across several endpoints. But the on-call analyst is fast asleep. The alert was sent… via email.


By the time someone notices, hours have passed. The threat? It’s already spread.
In modern security operations, detection is only half the battle. The other half? Making sure the right human sees the alert – and acts on it – in time.

The Real Risk: Alerts That Go Unseen

Microsoft Sentinel delivers best-in-class detection, correlation, and automation for today’s SOC teams. But when alerts are routed to shared mailboxes, ticketing queues, or dashboards, even critical incidents risk being:

  • Missed entirely after hours
  • Delayed by inbox clutter or notification fatigue
  • Acknowledged late due to unclear ownership
  • Ignored during silent mode or Do Not Disturb
  • This “last-mile” delivery gap can undermine even the most advanced detection strategy.

“The standard email alerting wasn’t enough. We needed a way to ensure someone actually sees and acts on the alert – fast.”

– Azure Marketplace Reviewer

SIGNL4: Bridging the Last Mile of Incident Response

That’s where SIGNL4 steps in – integrating seamlessly with Microsoft Sentinel to turn machine-detected threats into real-time, human-actionable mobile alerts.

With SIGNL4, your SOC gains:

Mobile-First Incident Delivery

  • Native Mobile Apps for iOS and Android
  • Alerts via push notification, SMS, and voice calls
  • Optional Do Not Disturb override ensures critical alerts cut through silent hours

Faster Response & Acknowledgment

  • Alerts routed instantly to on-call team members
  • Analysts can acknowledge, comment, or close incidents right from their mobile device

Accountability Built In

  • Full audit trails of who saw what, and when
  • Prevents “I thought someone else saw it” moments

On-Call Scheduling & Duty Management

  • Define shifts and automatically escalate alerts to the right person at the right time
  • Avoid alert fatigue by only notifying those who are actually on duty

Security-First by Design

  • TLS/SSL-encrypted communication
  • Data hosted in secure Microsoft Azure environments

“SIGNL4 transformed how we respond to Sentinel alerts. Everyone knows who’s on call. Everyone knows when something’s been acknowledged. It’s a game-changer.”

– Azure Marketplace Reviewer

How It Works with Sentinel

Setting up SIGNL4 with Microsoft Sentinel is fast and intuitive – no coding required:

1. Start your free SIGNL4 trial: signl4.com/free-trial-test
2. Create a custom webhook or use the SIGNL4 Logic App connector
3. Map your Sentinel alert rules to trigger mobile notifications
4. Install the SIGNL4 mobile app for your team and start routing alerts immediately

You’ll be live in minutes – without deploying any new infrastructure. Watch our full integration video on YouTube!

What Does It Cost?

SIGNL4 is designed to be both powerful and accessible – whether you’re a lean SecOps team or a large enterprise SOC.

  • Free Trial: Get started with all core features, including mobile alerts, on-call scheduling, and Sentinel integration – no credit card required.
  • Flexible Plans: Choose the tier that fits your needs, starting at just a few dollars per user/month.
  • Enterprise Options: Need advanced integrations, audit controls, or custom SLAs? We’ve got you covered.

You only pay for named users, and pricing scales with your team – not your alert volume. See full pricing and plans.

“For the value SIGNL4 brings – especially in reducing downtime and missed alerts – the ROI is clear. Totally worth it.”

– Azure Marketplace Reviewer

Modern Security Requires Modern Alerting

Today’s SOCs can’t afford delays – or assumptions. Detection tools like Sentinel are incredibly powerful, but they need an equally capable response mechanism to ensure every threat is seen, owned, and acted on.
SIGNL4 brings urgency, clarity, and accountability to the moment an alert matters most.

Ready to Close the Gap?

Don’t let detection go to waste. Make sure your alerts are seen – and responded to.

Discover SIGNL4

SIGNL4 Alerting App

Stay ahead of critical incidents with SIGNL4 and its superpowers. SIGNL4 provides superior and automated mobile alerting, delivers alerts to the right people at the right time and enables operations teams to respond and to manage incidents from anywhere.

Learn more about SIGNL4 and start your free 30-days trial.

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