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PublicSonar and Maltego join forces

Together with PublicSonar, Maltego can support investigators and analysts across the full spectrum of the OSINT domain with its platform in the future.

ICAART 2022 | Victor Margallo

ICAART 2022 | Victor Margallo | PublicSonar

Our Data Scientist Victor Margallo presented his paper at the International Conference on Agents and Artificial Intelligence 2022. Learn more about the paper below.

Helping the Austrian government evaluate social media for disasters

Research team investigates how to use social media to improve disaster and emergency response.

When the Austrian Federal Ministry of Interior wanted to evaluate the use of social media to improve disaster management and emergency response, it turned to AI experts PublicSonar. The result of our collaborative research project was iLiKe – an innovative, intelligent situation information portal to support emergency organizations for disaster management. Learn more about harnessing social media for disaster management.

E-book: The Power of Social Media

The Power of Social Media: Public Safety and Crisis Management

Over the years, we have collected several cases that demonstrate the power of social media for public safety. Download our e-book now and learn more about online monitoring.

Emergency planning: how can social media contribute to situational awareness?


A recent report by a British NGO lists the ten most financially impactful natural disasters of 2021. The floods in Europe are in second place. Reason enough to look at what information was available online at the time of the disaster and how to make it accessible quickly for emergency planning and response purposes.

2021 Data Science and AI: Startups & Scale-ups

InnovationQuarter has published the 2021 edition of the AI startup and scale-up ecosystem for the province of Zuid-Holland. We are very proud to be part of the market map. Read more below.

Six tips for monitoring social media

sociale media monitoren

As a municipality, province or security region, you want to know early on when something threatens to get out of hand and you want to know exactly what is going on. How do you make use of the billions of messages on Twitter, YouTube, Telegram and (weather/news) websites? Read the 6 tips in the blog below.

In the news: “We make the world safer”

In the Dutch newspaper Algemeen Dagblad, Till Behne portrays how technology companies were founded and what was needed to make them a success. PublicSonar was featured with a full-page interview with our CEO Sjors van den Dries.

Safe elections during Covid-19

Dutch elections covid-19

Insights from open data and sentiment analysis contributed to ensuring safe elections in the Netherlands during Covid-19. Below you can read more about the value of publicly available data.

Tracking Storm Darcy on social media

tracking social media storm Darcy

How to identify insights tracking over 120.000 social media messages about Storm Darcy? How to cut through the noise? Read it on our blog below.

Women in Tech

Women in Tech blog Deepika Lalwani

We invited our engineering manager, Deepika Lalwani. She shares her experiences and speaks about women in tech. Check out the full interview below.

New logo, new era

New PublicSonar logo

We have stepped up our corporate branding and the PublicSonar logo is the most prominent proof of that! Below you can check out the beginning of a new era.

How to detect an earthquake in 16 seconds?

Earthquakes occur regularly in the province of Groningen in the Netherlands, causing both physical damage and social unrest. Various stakeholders therefore have a great need for quick and complete information from the very first moment of an earthquake. Read below how the efforts of PublicSonar contribute to local decision making.

Resilience: Crisis Management in the Social Media Age

Resilience article blog post

PublicSonar was recognised by the Emergency Planning Society for “providing the best information at the point of decision-making”. Below you can read more about what it means to manage a crisis in a digital age.