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Nova Scotia Power Confirms Disruption from Ransomware Attack

ID: 55ac2ba7-0b35-56be-ab3a-aad50edc33df

STIX ID: report--55ac2ba7-0b35-56be-ab3a-aad50edc33df

Feed Name: Halcyon Blog

Threat Score
75/100

Date Published: 2025-05-28

Date Updated: 2026-04-28

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**Executive summary:** Nova Scotia Power disclosed a sophisticated ransomware incident that resulted in the theft and publication of sensitive personal and billing data for approximately 280,000 customers; while generation and distribution operations were reportedly unaffected and no ransom was paid, the breach underscores escalating ransomware tactics, advanced TTPs (e.g., BYOVD, EDR unhooking, LOLBins), and the heightened risk to critical infrastructure.

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