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Hack Tuesday

Hack Tuesday · Week 14–20 May 2025

Map of the cyberattacks per country, Week 14–20 May 2025

237 cyberattacks across 35 countries

  • The most active threat actor last week was NoName057(16) claiming responsibility for 42 cyber attacks.
  • The USA is the most affected country, accounting for 22.8% of incidents, with 54 cyber attacks.
  • The Gov / Mil / LE sector is the most impacted, accounting for 28.3% of incidents with 67 cyber attacks.
  • The estimated Critical cyber attacks account to 22 (9.3% of the total).
  • Overall, the claimed compromised data amounts to approximately 15.8TB.

Disclaimer:

Our database is compiled from publicly available information that has been hand-picked and retrieved from both the Clear Web and the Dark Web.

For every attack we collect and classify, we calculate an Estimated Severity Index (ESIX©) on a scale of one to ten, corresponding to four impact categories, from low to critical.

ESIX© is based on a set of proprietary algorithms and AI predictive models developed by Hackmanac that consistently evaluate multiple variables, including social, economic (direct and indirect), technical, and reputational impact. It is a metric designed to inform strategic board-level decisions and support the work of cybersecurity, GRC, threat intelligence, business continuity, insurance, and enterprise risk management teams.

Top 5 cyber threat actors of the week

Top 5 cyber threat actors of the week

Top 5 targeted industries of the week

Top 5 targeted industries of the week

Top 5 targeted countries of the week

Top 5 targeted countries of the week

Top 5 impacted victims of the week

CountryVictimESIX©Details
MKA ACCOUNTANTS View details →
Rise Racing View details →
Australia Post customers View details →
Qantas’s clients View details →
Effortel View details →

Stay safe!
Hackmanac Team

Clearer decisions. Better budgeting. Fewer losses.

From "how many attacks?" to "how much damage?" — the clarity needed for sharper strategy.