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BhishmaSec
Threat Intelligence Archive

Global Threat Intel
& Incident Post-Mortems

Principal architects reverse-engineer high-profile breaches, nation-state APTs, and supply-chain failures — mapped to Zero Trust controls your team can actually deploy.

$4.6B+

Damages Analysed

25+

Incidents Documented

6

Attack Categories

Active Intelligence

Coinbase Insider Threat2025
Identity & Access
Salt Typhoon Telecom APT2024–25
Nation-State
PowerSchool Supply Chain2025
Supply Chain

Prior Incidents

Snowflake Credential Theft
CrowdStrike Falcon Update
Optus Unauthenticated API
Customer PII ExfiltrationZero Trust PAM2025 — Active Intelligence

Coinbase Rogue Insider Data Theft: $20M Ransom Refusal (May 2025)

In May 2025, overseas customer-service contractors at Coinbase — the world's largest US-listed cryptocurrency exchange — were recruited and bribed by threat actors to systematically exfiltrate custome…

Incident Date: May 2025Attack Vector: Bribed Insider / Contractor
Nation-State APT / TelecomCALEA Wiretap InfrastructureNetwork Segmentation2024–2025 — Active Intelligence

Salt Typhoon APT: Chinese State Actors Inside US Telecom Core (Q4 2024–Q1 2025)

Chinese state-sponsored threat actor Salt Typhoon (UNC2286 / Earth Estries) penetrated the core network infrastructure of at least nine US telecommunications carriers — including AT&T, Verizon, T-Mobi…

Incident Period: Q4 2024 – Q1 2025Threat Actor: Salt Typhoon (PRC State)
Supply Chain / SaaS PlatformCompromised Maintenance CredentialsData MinimisationJanuary 2025 — Active Intelligence

PowerSchool K-12 SIS Supply Chain Breach: 62 Million Student Records (January 2025)

In January 2025, attackers used compromised maintenance-tier credentials to access PowerSchool's cloud Student Information System (SIS) — the dominant K-12 platform serving 16,000+ schools and 55 mill…

Incident Date: January 2025Breach Vector: Compromised Maintenance Creds
Prior Incidents
Cloud Data WarehousingInfostealer Malware / Session TheftZero Trust IAMMid-2024

The Global Cloud Data Warehouse Infostealer Breach (Snowflake Incident Analysis)

In mid-2024, threat actor group UNC5537 targeted over 160 enterprise organizations utilizing Snowflake cloud data tenancies. Attackers purchased historical credential dumps harvested by Lumma and RedL…

Target Vector: Cloud Data TenancyThreat Actor: UNC5537 / Infostealer
Kernel Driver SecurityOut-of-Bounds Memory ReadShift-Left Release GatingJuly 2024

CrowdStrike Channel 291 Outage: Ring 0 Kernel Parser Failure Post-Mortem

In July 2024, a rapid configuration definition update (Channel File 291) deployed to CrowdStrike Falcon sensors caused 8.5 million Windows systems globally to suffer unrecoverable BugCheck 0x50 (PAGE_…

Impact Scope: 8.5 Million EndpointsFailure Class: Kernel Memory Pointer OOB
API Security (OWASP Top 10)BOLA / Shadow API EndpointPrevented PII Exposure2024

The Public Telecom Shadow API Scraping Breach (Optus / T-Mobile Analysis)

Adversaries identified an undocumented, legacy testing REST endpoint (/customer/v1/accounts/details) exposed on a public domain without API Gateway token authentication or rate-limiting. Attackers wro…

Vulnerability: OWASP API #1 & #2 (BOLA)Data Compromise: 9.8M Citizen Records