Our Blog
The Derdack SIGNL4 blog is an essential hub for professionals aiming to boost their alert management and operational response. It delivers expert insights and tips on maximizing SIGNL4 for efficient alerting, team collaboration, and incident management. Ideal for IT, operations, and security teams, this blog offers practical guidance for enhancing response times and operational workflows.
How Incident Response Software Transformed Our Incident Management
Companies are increasingly facing rising cyberthreats without proper incident response software – discover why they’re turning to SIGNL4 for fast, secure, and reliable alerting.
Drinks, Bars, and Blazing Fast Alerting: A Conference Tale
It’s not every day your t-shirt starts a conversation that ends with a full product integration – at a rooftop bar, no less. But that’s exactly what happened. Discover how SIGNL4 was fully set up in just minutes – faster than finishing a drink.
How Do I Track Alert Ownership in SIGNL4?
SIGNL4 gives you clear, immediate visibility into who owns an alert – right down to the exact person who acknowledged it and when. Whether you’re in the mobile app or web portal, you can instantly see who took responsibility. No guessing.
From Detection to Action: Elevating Microsoft Sentinel with SIGNL4 Mobile Alerting
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.
Enhanced Messaging with RCS in SIGNL4
SIGNL4 will automatically use RCS for delivering messages if the recipient’s device supports it and if RCS is available in the recipient’s region. No setup is required by the recipient – RCS is already integrated into most default messaging apps on Android and is now becoming available on iPhones with iOS 18.
What Is Critical Alerting and How Does SIGNL4 Help?
Even a few minutes of downtime can have serious consequences. That’s where critical alerting comes in – making sure the right people are notified of urgent issues, right when it matters most. But what exactly is critical alerting, and how can the right software help you do it better?
How to Convert Email to Push Notifications
Email alerts alone often aren’t enough when you’re responsible for critical systems or infrastructure. Messages can easily be buried in inbox clutter – or worse, completely missed during off-hours. If you’re managing IT operations, DevOps, or facility monitoring, timely awareness of issues is crucial – but email just doesn’t cut it.
Notification Software Explained: From Routine Alerts to Emergency Response
It’s woven into our everyday lives – quietly buzzing, blinking, or nudging us with information. But when it comes to critical operations in IT, healthcare, logistics, or utilities, not all notifications are created equal. And that’s when we go from notification software to alert notification software.
April 2025 Update – Fully Redesigned Signl-Center, Shift Tiers with Escalations, AI Shift and Duty Scheduling, and a new Chat View for the Mobile App
With our latest April update, we are setting a new benchmark in incident management excellence. The Signl-Center in our web portal has undergone a major redesign, delivering a superior, more intuitive layout, enhanced tracking of notifications and escalation...
AT&T Ended Its Email-to-Text Service: Why SIGNL4 is the Best Alternative
AT&T’s Email-to-Text Shutdown in June Leaves Businesses Seeking Alternatives In a move that caught many businesses and IT teams off guard, U.S. mobile carrier AT&T officially discontinued its email-to-text gateway service. ATT email to text was shut down on...
Infrastructure Monitoring: A Comprehensive Guide to Integrating Effective Alerting
Imagine you’re the IT guardian of a busy company. Every day, you rely on infrastructure monitoring tools to keep an eye on your servers, networks, and applications. These tools are your early warning system – they spot glitches before they become full-blown problems. But what happens when an alert is missed or delayed? That’s where effective alerting comes in.
Atlassian retiring Opsgenie – Why SIGNL4 is the perfect Opsgenie Alternative
Atlassian’s decision to retire Opsgenie by 2026 has left many businesses searching for a reliable alternative for incident management and critical alerting. SIGNL4 is a great Opsgenie alternative, offering a modern and mobile-first approach to alerting, escalation,...
Weaving AI into SIGNL4
By Matthes Derdack, CEO
By late 2023, our team at SIGNL4 concluded that AI had matured enough to provide real value in specific areas, particularly due to its strong capabilities in pattern detection and matching.
In this article, Matthes showcases the AI features we have already implemented and what our future roadmap looks like.
Why a Mobile Alerts App Makes All the Difference
In the world of incident management, traditional mobile alerts via email or SMS often lack the speed and functionality required to address critical situations effectively. This is where a mobile alerts app becomes essential. But what defines a reliable, real-time, and most importantly, user-friendly mobile alerts app that you can count on?
RedIron: Unifying Alerts and Notifications in IT
RedIron, a managed services provider and retail integrator, faced challenges with fragmented alert systems using email and SMS.
RedIron needed a modern, reliable solution for unified alerts and notifications that could optimize their incident management process and support team located in the US, Canada, and offshore.
The AI Revolution in Incident Management: Insights from the Frontlines – by Doreen Jacobi
Cofounder Doreen Jacobi spoke with several of our customers about the revolution AI is bringing to incident management. Artificial Intelligence has seamlessly integrated into our daily lives, often in ways we barely notice. But what does that actually mean for...
Derdack Podcast: How SIGNL4 Unifies RedIron’s Monitoring and Notifications
A story of integration, innovation, and efficiency in monitoring and notifications for modern IT operations About In this episode, Todd from RedIron shares insights on how Derdack’s alerting solution SIGNL4 has unified and transformed their IT operations. RedIron, a...
What is Push Alerting?
Push alerting is a method of delivering real-time, actionable notifications directly to a user’s device – most often a smartphone, tablet, or computer – without requiring the user to actively check for new information. These messages are known as push notifications, and they “push” from a server or alerting system to a client application, bypassing slower or less reliable channels like email.
What is Alerting?
Alerting is a central component of modern safety and operating concepts. It is used to act quickly and effectively in hazardous situations. From operational alerting in operations management to alerting the population, there are various scenarios that cover specific...
On-Call Scheduling Software – which is the best in 2025?
Managing on-call schedules is a critical challenge for many industries, including healthcare, IT, customer support, and emergency services. As technology evolves, on-call scheduling software has become an essential tool for streamlining workflows, reducing burnout,...
Best Practice in IT Alerting
How to achieve best practices in IT Alerting? In order to use IT alerting effectively, the following points should be taken into account: Clear prioritization: Not every alert is equally important. Filtering is crucial and prioritization helps to use resources...
Update December 2024 – Intelligent event filters and enhanced manual alarm distribution
In our December update, we have significantly revamped and improved manual alerting. If you need to carefully evaluate incidents before distributing them manually to the respective teams or want to send critical operational updates to relevant personnel, you’ll love...
What is the best IT alerting software for 2025?
In the fast-paced world of IT, having a reliable IT alerting software is crucial to ensure swift issue resolution and minimal downtime. The right IT alerting software not only notifies you of critical incidents but also ensures that your team is equipped with tools to...
How to Save $160,000 Per Year – With Automated Alerting
The journey from identifying a problem to solving it is often prone to delays and human error, resulting in immense costs. Learn how one of our customers saved $160,000 by switching to automated alerting.
Update October 2024 – AI-based summary of alarm details and comprehensive audit logs
Our October update brings you AI-based summaries of alarm details. This makes complex or technical content much easier to understand in a matter of seconds. In addition, there is now also a comprehensive audit log, which always logs changes made to the system in a...
TISAX label received
Derdack attaches great importance to the confidentiality, availability and integrity of information.
Therefore, Derdack has passed the TISAX assessment, received the label in September and is now a TISAX participant.
Incident Alerting: Enhancing Transparency with SIGNL4
Effective incident alerting is crucial for businesses to maintain smooth operations and customer satisfaction. Incidents often generate multiple alerts, each requiring timely and transparent handling to ensure a swift resolution. Ensuring transparency throughout the...
Pager app needed? SIGNL4 can easily replace your pager
The short answer is: “Yes, SIGNL4 can.” SIGNL4 can be seen as a so-called "pager app" for Android and iPhone. But more than that. Here is the how and why of it. A pager is a small radio receiver. Each pager has a unique code or phone number. All the pagers that are in...
May 2024 Update – New shift scheduling brings increased productivity and improved user experience, along with revamped stand-in functionality
Our May update includes a newly revamped shift scheduling for your SIGNL4 teams. It is now much easier to run your shift model in SIGNL4 and schedule team members into shifts. It also includes a new calendar view and a fundamental revision of our substitute function...
The Importance of Rapid Incident Response
An Incident Response Plan prepares an organization to deal with a security breach or cyber-attack. It defines the procedures an organization should follow if it discovers a possible cyber-attack, enabling it to detect, contain, and resolve problems promptly....
Enhancing Team Collaboration: Unveiling the Intuitive Features of SIGNL4
Effective communication lies at the heart of successful teamwork, and SIGNL4 emerges as a powerful tool crafted to elevate collaboration within teams. In this blog post, we will explore five of the often small but all the more intuitive features that distinguish...
Mobile Alerts for Icinga at Net at Work
Meet a typical challenge of 24/7 IT operations Net at Work is a German IT company with over 100 employees that provides its customers with solutions and tools for digital communication and collaboration. Their product NoSpamProxy offers reliable protection against...
March 2024 Update – Design update, Stand-ins via mobile App, Configurable shift reminders and reports as well as customizable data retention
With our SIGNL4 March Update, we are speeding up and have once again completed some innovations for you. This time, we have further developed our design and color scheme slightly and made changes for better readability. In our mobile app, you can now also quickly and...
Joe’s Triumph with an Alert Fatigue Solution
In the fast-paced world of operations management, every alert bears weight, and Joe's team found themselves caught in a relentless stream of notifications. The challenge they faced was alert fatigue – a persistent obstacle that blurred the lines between critical...
What is alert fatigue?
Alert fatigue is a serious issue that affects numerous professions, e.g. in IT or healthcare. It can lead to neglecting critical events and delaying response times. Responders need to continuously monitor their systems and applications to avert possible downtime and...
What is incident response?
Incident response is the process of responding to and managing the aftermath of a security breach or cyber attack. It involves a systematic approach to identifying, containing, and mitigating the consequences of an incident in IT, OT or Cybersecurity, with the goal of...
February 2024 Update – Email Alerting, Email Alerts for Integration Issues and much more
SIGNL4 has already been equipped with several new features this year! For instance, in addition to push notifications, SMS and calls, you can now also receive alerts via email. SIGNL4 will now also send emails if any of your integrations encounter a problem, allowing...
What is an incident?
Terms like ‘incident’ play an important role in understanding IT and OT operations. There is usually an abundance of interpretations and definitions. You will also find different naming conventions with each vendor of tools for monitoring and service management. So,...
What is an alert?
Terms like 'alert' play an important role in understanding IT and OT operations. There is usually an abundance of interpretations and definitions. You will also find different naming conventions with each vendor of tools for monitoring and service management. So,...
What is an event?
Terms like 'event' play an important role in understanding IT and OT operations. There is usually an abundance of interpretations and definitions. You will also find different naming conventions with each vendor of tools for monitoring and service management. So,...
Navigating the IT Maze: A SIGNL4 Journey of Clarity and Efficiency
In the dynamic realm of IT, every alert is a crucial piece of information. As an IT technician, I often found myself lost in the complexity of third-party alerts, grappling with deep-level tech details that felt like a maze. I lost valuable time trying to decipher an...
Are you still using SMS text for alerting?
In the world of IT monitoring and IoT systems, it is crucial to alert users promptly and reliably about critical issues. Whether it's about security and ongoing systems at the workplace, in public facilities, or other places, the way in which alarm notifications are...
How does SIGNL4 provide for truly reliable alerting?
Of course, one expects an alerting solution to be reliable. This is important because a missed alert can have a significant impact on the business. It is about IT uptime, disruptions in production or other critical system conditions. Business processes, production...
After Hours Alerting for ConnectWise: Using SIGNL4 to Route CW Tickets to On-Call Engineers
Article by Doreen Jacobi As a business owner or manager, you understand the importance of efficient operations and effective communication, particularly after hours. You want to equip your on-call engineers with all the information they need to resolve a ticket when...
Revolutionizing your Grafana setup with intelligent alerting
Once upon a time, in the bustling city of DataVille, lived a team of dedicated IT professionals tirelessly working to maintain the city's digital heartbeat. Their mission was to ensure the smooth operation of their city's digital infrastructure, which was not limited...
October 2023 Update – New layout, additional cross links, improved event filtering and much more
Our October update brings a new layout in the web portal, new additional cross-references from Signl details to linked entities, and improved grouping options for conditions in the distribution rules. As always, all the details are in this blog article. Web portal...
How to use the Rest API to manage SIGNL4 categories
SIGNL4 Categories The categories in SIGNL4 are a powerful tool to make it clear to users at first glance what a particular alert is about. For example, colors, icons, location and predefined texts can be configured here. Categories can be created and edited manually....
August 2023 update – calendar export and video attachments in the mobile app
Our August update brings the ability to export shift scheduling from SIGNL4 to other calendar apps. In addition, video attachments are now supported for Signls. As always, all the details are in this blog article. Export duty schedules to external calendar apps From...
July 2023 Update – New user management, Duty stand-ins, incident response in voice-calls and simplified SSO
User July update includes a new and optimized user management in the web portal and a new feature in the duty scheduler, which allows to easily create stand-ins for scheduled duty personnel. Furthermore, it is now possible to acknowledge or close Signls directly...
What is IT Incident Management?
Are you tired of dealing with IT incidents that seem to pop up at the worst possible times? Do you find yourself struggling to keep track of all the moving pieces involved in resolving incidents? If so, it's time to revitalize your incident management strategy. In...