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Year in Review: Our Top Blogs of 2021

ID: 29dedd81-5a4a-5e0f-99d4-733fe675776b

STIX ID: report--29dedd81-5a4a-5e0f-99d4-733fe675776b

Feed Name: ReliaQuest Blog

Threat Score
70/100

Date Published: 2021-12-23

Date Updated: 2026-04-29

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Executive summary: This year-end blog roundup highlights Photon/ReliaQuest’s top posts of 2021, covering a 500M-user Facebook data leak and its phishing/SMiShing implications, cryptocurrency scams and techniques (reverse-proxy phishing, cryptojacking, dusting, clipping), the major ransomware wave including high-profile incidents (Colonial, JBS, Kaseya), the role of vulnerability intelligence and dark-web exploit markets, and practical guidance for making threat intelligence actionable.

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