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Société de transport de Montréal

Société de transport de Montréal Vendor Cyber Rating & Cyber Score

stm.info

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


SDTDM A.I CyberSecurity Scoring

SDTDM
Company Information
Website:http://www.stm.info
Employees number:3,751
Number of followers:105,563
NAICS:484
Industry Type:Truck Transportation
Homepage:stm.info
SDTDM Risk Score (AI oriented)
Between 700 and 749
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SDTDMTruck Transportation
Updated:
03/04/2026
739/1000
Moderate
Ba
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SDTDM Global Score (TPRM)
xxxx
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SDTDMTruck Transportation
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Findings

SDTDM
SDTDMModerate
Current Score
739Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
741Before Incident
JUNE 2026
740Before Incident
MAY 2026
740Before Incident
APRIL 2026
739Before Incident
MARCH 2026
739Before Incident
FEBRUARY 2026
738Before Incident
JANUARY 2026
738Before Incident
DECEMBER 2025
737Before Incident
NOVEMBER 2025
737Before Incident
OCTOBER 2025
736Before Incident
SEPTEMBER 2025
735Before Incident
AUGUST 2025
735Before Incident
OCTOBER 2020
763Before Incident
Ransomware
01 Oct 2020SDTDM
Société de transport de Montréal

RansomExx Ransomware Attack on Montréal (STM) Public Transport System

663After Incident
CRITICAL-100
SOC205512222
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.
INCIDENT DETAILS -
TYPE
Ransomware
MOTIVATION
Financial gain
IMPACT
online systemsparatransit serviceOperational Impact: Paratransit service affected

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