
DoppelCart shopping-fraud network reaches about 261,700 domains
About 40 percent of sites observed before October 17 remain active, and some checkouts capture bank one-time codes.
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About 40 percent of sites observed before October 17 remain active, and some checkouts capture bank one-time codes.

Week in review: Medusa ransomware hit 500+ orgs per CISA, millions of Azure tenant records allegedly stolen, SafePal and French tax authority breaches disclosed.
FBI warns Medusa ransomware-as-a-service has hit over 500 critical infrastructure organizations while significantly improving its tactics, techniques and procedures.

FBI, CISA, and HHS warn Medusa ransomware has hit over 500 organizations across critical infrastructure since June 2021, using phishing and unpatched flaws.

CISA and FBI update Medusa ransomware advisory, reporting more than 500 total victims and warning the gang operationalizes newly disclosed exploits within 24 hours.

CISA, FBI, and HHS updated their Medusa ransomware advisory, reporting over 500 victims and detailing the gang's access-broker and exploit tactics.

Microsoft reports China-linked ransomware group Storm-1175 switched from Medusa to a new C++ strain, StormEncryptor, likely exploiting N-able flaw CVE-2026-18577.

UK ICO reprimands ACRO criminal records office after three undetected intrusions over two years exposed thousands of records, including domestic violence victims.

N-able shipped a second N-central hotfix as attackers actively exploit authentication bypass CVE-2026-18577, attributed to ransomware group Storm-1175.
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