
Société de transport de Montréal Company Cyber Security Posture
stm.infoQuatorzième entreprise en importance au Québec, la STM assure quelque 1,4 million de déplacements par jour moyen de semaine. Elle emploie plus de 9 500 personnes, dont la moitié travaillent en contact direct avec la clientèle. En 2014, son budget s’élevait à plus de 1,3 G$ et la valeur de remplacement de ses actifs était estimée à plus de 26 G$. Acteur incontournable dans le secteur des transports de personnes, la STM assure plus de 80 % des déplacements en transport collectif dans la région de Montréal et plus de 70 % de tous ceux qui sont effectués au Québec. En 2014, elle a atteint un achalandage de 417,2 millions de déplacements, soit 700 000 déplacements de plus qu'en 2013. Il s’agit d’un record inégalé dans l’histoire du transport collectif à Montréal! En plus d’être au cœur du développement économique de la région de Montréal depuis 150 ans, la STM joue un rôle prépondérant dans le développement durable de la métropole. En assurant des déplacements fiables et sécuritaires, l’entreprise contribue à la protection de l’environnement et à la qualité de vie des citoyens.
SDTDM Company Details
societedetransportdemontreal
3632 employees
95263.0
484
Truck Transportation
stm.info
Scan still pending
SOC_2853234
In-progress

Between 900 and 1000
This score is AI-generated and less favored by cyber insurers, who prefer the TPRM score.

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Société de transport de Montréal Company Scoring based on AI Models
Model Name | Date | Description | Current Score Difference | Score |
---|---|---|---|---|
AVERAGE-Industry | 03-12-2025 | This score represents the average cybersecurity rating of companies already scanned within the same industry. It provides a benchmark to compare an individual company's security posture against its industry peers. | N/A | Between 900 and 1000 |
Société de transport de Montréal Company Cyber Security News & History
Entity | Type | Severity | Impact | Seen | Url ID | Details | View |
---|---|---|---|---|---|---|---|
Société de transport de Montréal | Ransomware | 80 | 5 | 10/2020 | SOC205512222 | Link | |
Rankiteo Explanation : Attack threatening the organization's existenceDescription: RansomExx ransomware attacked Montréal (STM) public transport system which impacted its, services and online systems. The operation of buses or metro systemwas not affected however people with disabilities who rely on STM's door-to-door paratransit service are affected. They are investigating the attack with law enforcement and external experts. |
Société de transport de Montréal Company Subsidiaries

Quatorzième entreprise en importance au Québec, la STM assure quelque 1,4 million de déplacements par jour moyen de semaine. Elle emploie plus de 9 500 personnes, dont la moitié travaillent en contact direct avec la clientèle. En 2014, son budget s’élevait à plus de 1,3 G$ et la valeur de remplacement de ses actifs était estimée à plus de 26 G$. Acteur incontournable dans le secteur des transports de personnes, la STM assure plus de 80 % des déplacements en transport collectif dans la région de Montréal et plus de 70 % de tous ceux qui sont effectués au Québec. En 2014, elle a atteint un achalandage de 417,2 millions de déplacements, soit 700 000 déplacements de plus qu'en 2013. Il s’agit d’un record inégalé dans l’histoire du transport collectif à Montréal! En plus d’être au cœur du développement économique de la région de Montréal depuis 150 ans, la STM joue un rôle prépondérant dans le développement durable de la métropole. En assurant des déplacements fiables et sécuritaires, l’entreprise contribue à la protection de l’environnement et à la qualité de vie des citoyens.
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SDTDM Cyber Security News
In Montreal, transit underfunding and privatization pushes workers to strike, impacting millions of users
900 temporary jobs created. The STM currently helps employ about 900 people through subcontracting out to external companies, according to ...
Ann Arbor's TheRide latest victim of cyber attack
The Ann Arbor Area Transportation Authority (TheRide) said it experienced a cyber attack this week. The attack caused temporary disruptions to ...
Quebec minister Éric Caire resigns over SAAQclic scandal
Cybersecurity and Digital Technology Minister Éric Caire made the announcement Thursday on social media, calling the controversy surrounding the ...
NEXCOM Leading the Future Embedded System
This time, NEXCOM will bring about our latest software-defined embedded computing solutions with six vertical market pavilions, including 5G ...
Montreal's Société De Transport De Montréal (STM) Public Transport System Hit With A RansomExx Attack
It was reported today that Montreal's STM public transport system is the latest victim of a ransomware attack that has affected its services ...
Labour minister urges mediation to help settle Montreal transit mechanics strike
The 2,400 workers launched their strike after more than a year of negotiations with the transit agency. Bus and subway service is being limited ...
Ransomware attack blamed for shutting down STM website
Ransomware allows hackers to take over a website and access stored personal data. Hackers then demand payment from the website owners for the ...
Montreal deploys safety ambassadors on metro network
The agency says in the last few years it has received a rise in complaints about a lack of safety on its metro service.
Alstom and its partners inaugurate the first REM segment in Montreal
The Alstom-led consortium, Groupe PMM, participated in the inauguration of the first segment of the Réseau express métropolitain.

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Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
SDTDM CyberSecurity History Information
How many cyber incidents has SDTDM faced?
Total Incidents: According to Rankiteo, SDTDM has faced 1 incident in the past.
What types of cybersecurity incidents have occurred at SDTDM?
Incident Types: The types of cybersecurity incidents that have occurred incident Ransomware.
How does SDTDM detect and respond to cybersecurity incidents?
Detection and Response: The company detects and responds to cybersecurity incidents through third party assistance with External experts and law enforcement notified with True.
Incident Details
Can you provide details on each incident?

Incident : Ransomware
Title: RansomExx Ransomware Attack on Montréal (STM) Public Transport System
Description: RansomExx ransomware attacked Montréal (STM) public transport system which impacted its services and online systems. The operation of buses or metro system was not affected however people with disabilities who rely on STM's door-to-door paratransit service are affected. They are investigating the attack with law enforcement and external experts.
Type: Ransomware
Threat Actor: RansomExx
Motivation: Financial gain
What are the most common types of attacks the company has faced?
Common Attack Types: The most common types of attacks the company has faced is Ransomware.
Impact of the Incidents
What was the impact of each incident?

Incident : Ransomware SOC205512222
Systems Affected: online systems, paratransit service
Operational Impact: Paratransit service affected
Which entities were affected by each incident?

Incident : Ransomware SOC205512222
Entity Type: Public Transport
Industry: Transportation
Location: Montréal
Customers Affected: People with disabilities who rely on STM's door-to-door paratransit service
Response to the Incidents
What measures were taken in response to each incident?

Incident : Ransomware SOC205512222
Third Party Assistance: External experts
Law Enforcement Notified: True
How does the company involve third-party assistance in incident response?
Third-Party Assistance: The company involves third-party assistance in incident response through External experts.
Ransomware Information
Was ransomware involved in any of the incidents?

Incident : Ransomware SOC205512222
Ransomware Strain: RansomExx
Investigation Status
What is the current status of the investigation for each incident?

Incident : Ransomware SOC205512222
Investigation Status: Investigating with law enforcement and external experts
Post-Incident Analysis
What is the company's process for conducting post-incident analysis?
Post-Incident Analysis Process: The company's process for conducting post-incident analysis is described as External experts.
Additional Questions
General Information
Who was the attacking group in the last incident?
Last Attacking Group: The attacking group in the last incident was an RansomExx.
Impact of the Incidents
What was the most significant system affected in an incident?
Most Significant System Affected: The most significant system affected in an incident were online systems, paratransit service.
Response to the Incidents
What third-party assistance was involved in the most recent incident?
Third-Party Assistance in Most Recent Incident: The third-party assistance involved in the most recent incident was External experts.
Investigation Status
What is the current status of the most recent investigation?
Current Status of Most Recent Investigation: The current status of the most recent investigation is Investigating with law enforcement and external experts.
What Do We Measure?
Every week, Rankiteo analyzes billions of signals to give organizations a sharper, faster view of emerging risks. With deeper, more actionable intelligence at their fingertips, security teams can outpace threat actors, respond instantly to Zero-Day attacks, and dramatically shrink their risk exposure window.
These are some of the factors we use to calculate the overall score:
Identify exposed access points, detect misconfigured SSL certificates, and uncover vulnerabilities across the network infrastructure.
Gain visibility into the software components used within an organization to detect vulnerabilities, manage risk, and ensure supply chain security.
Monitor and manage all IT assets and their configurations to ensure accurate, real-time visibility across the company's technology environment.
Leverage real-time insights on active threats, malware campaigns, and emerging vulnerabilities to proactively defend against evolving cyberattacks.
