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HarperCollins Canada

HarperCollins Canada Vendor Cyber Rating & Cyber Score

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HarperCollinsCanada Ltd was created in 1989, the result of the worldwide merging of two long-standing and prestigious publishing companies, the American company Harper & Row and the British publisher William Collins & Sons Canada, Ltd. Since then, it has become a prestigious and award-winning company with strengths in literary and commercial fiction, non-fiction, children's books, cookbooks, and reference and spiritual books. HarperCollinsCanada publishes fiction, non-fiction and books for children, as well as religious and reference books. HarperCollins imprints in Canada include HarperCollins, HarperPerennial, HarperTrophyCanada, Collins, HarperWeekend, and Patrick Crean Editions. These imprints publish many of Canada’s finest writers


HarperCollins Canada A.I CyberSecurity Scoring

Incident Details
HarperCollins Canada
Company Information
Website:http://www.harpercollins.ca
Employees number:110
Number of followers:12,817
NAICS:511
Industry Type:Book and Periodical Publishing
Homepage:harpercollins.ca
Cyber Premium EstimationGet Supply Chain
HarperCollins Canada Risk Score (AI oriented)
Between 650 and 699
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HarperCollins CanadaBook and Periodical Publishing
Updated:
29/03/2026
667/1000
Weak
B
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
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HarperCollins Canada Global Score (TPRM)
xxxx
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HarperCollins CanadaBook and Periodical Publishing
•••
Score locked
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Findings

HarperCollins Canada
HarperCollins CanadaWeak
Current Score
667B (WEAK)
01000
1 incidents
-94 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
672Before Incident
JUNE 2026
672Before Incident
MAY 2026
670Before Incident
APRIL 2026
669Before Incident
MARCH 2026
667Before Incident
FEBRUARY 2026
666Before Incident
JANUARY 2026
664Before Incident
DECEMBER 2025
662Before Incident
NOVEMBER 2025
752Before Incident
OCTOBER 2025
752Before Incident
Breach
24 Oct 2025 • HarperCollins Canada
WestJet

WestJet Data Breach Impacting Over a Million Individuals

658After Incident
CRITICAL-94
WES0192701102425
WestJet, a major Canadian airline serving over 25 U.S. destinations, suffered a cybersecurity incident where a criminal third party gained unauthorized access to personally identifiable information (PII) of over a million individuals. The compromised data included names, dates of birth, addresses, passport/government-issued ID numbers, and medical information. The breach exposed highly sensitive customer data, prompting legal action by Lynch Carpenter, LLP, a national class-action law firm investigating claims for potential compensation. The incident highlights severe risks to customer privacy, financial security, and trust in the airline’s data protection measures, with potential long-term reputational and financial repercussions. The breach notification suggests widespread exposure, increasing the likelihood of identity theft, fraud, and regulatory penalties under data protection laws (e.g., Canada’s PIPEDA or GDPR for affected EU travelers).
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
NamesDates of birthAddressesPassport and other government-issued ID numbersMedical informationBrand Reputation Impact: Potential (under investigation by Lynch Carpenter, LLP)Legal Liabilities: Potential (Lynch Carpenter, LLP investigating claims for compensation)Identity Theft Risk: High (PII exposed)
DATA BREACH
Personally Identifiable Information (PII)Medical informationNumber Of Records Exposed: Over 1,000,000Sensitivity Of Data: High (includes government-issued IDs and medical information)Data Exfiltration: Yes (records obtained by criminal third party)NamesDates of birthAddressesPassport numbersGovernment-issued ID numbers
REFERENCES
Blog URLSource URL
SEPTEMBER 2025
752Before Incident
AUGUST 2025
752Before Incident

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