Cyber·Monitoring
Shai-Hulud Supply-Chain Attack Trojanizes 19 PyPI Packages
PyPI repository (global online service)· Global4 Jun
5 reportsPROPCYCAS
MediumAI Refreshed
ClosedMedium impactAI Generated
ICO Fines South Staffordshire Water £963,900 Over Cl0p Ransomware Attack and Data Breach – May 2026
Occurred 1 Aug 2020·Detected 12 May 2026·
🇬🇧 South Staffordshire, United Kingdom (water utility operator)1 reportCAT KASYEnded 29 May 2026
CyberPropertyCyberCasualty & Liability
The UK Information Commissioner's Office (ICO) fined South Staffordshire Water £963,900 ($1.3 million) on 11 May 2026 for a Cl0p ransomware attack that allowed hackers to remain undetected on the company's network for nearly two years. The breach resulted in the personal data of 633,887 customers and employees being published in August 2022. The incident highlights significant cybersecurity vulnerabilities in UK critical water infrastructure.
AI-generated from linked source reports. See our correction policy.
Impact verdict
Medium impact. The fine of nearly £1 million and exposure of over 633,000 individuals' data represents a significant regulatory and reputational event for a UK critical infrastructure operator; cyber and liability insurers covering water utilities face potential claims exposure from similar incidents.
View assessment methodologyHow we grade what we know -- Known · Reported · Uncertain. Methodology →
Intelligence ledger
Each line expands in place to its underlying sourced claim.
Known4 lines
ICO issued a fine of £963,900 against South Staffordshire Water on 11 May 2026▾
structured lineknown
No separate sourced-claim record is available for this line yet.
The Cl0p ransomware group conducted the attack▾
structured lineknown
No separate sourced-claim record is available for this line yet.
Personal data of 633,887 customers and employees was published in August 2022▾
structured lineknown
No separate sourced-claim record is available for this line yet.
Hackers remained undetected on the network for nearly two years▾
structured lineknown
No separate sourced-claim record is available for this line yet.
Reported2 lines
The breach involved prolonged, undetected network access by threat actors▾
structured linereported
No separate sourced-claim record is available for this line yet.
The ICO investigation found the company failed to prevent or detect the intrusion in a timely manner▾
structured linereported
No separate sourced-claim record is available for this line yet.
Uncertain3 lines
The full scope of data types exfiltrated beyond personal data is not confirmed in this summary▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
Whether South Staffordshire Water will appeal the fine is unknown▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
The exact entry vector used by Cl0p has not been specified in the article▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
Affected countries
🇬🇧 United Kingdom
Timeline
Status Change2 Jun 2026, 13:05
Lifecycle changed
monitoring → closed
Closure2 Jun 2026, 13:05
Event Closed
auto_closed_monitoring_timeout
Status Change29 May 2026, 05:30
Status changed to monitoring
Auto-transitioned: no updates for 6 hours
active → monitoring
Status Change28 May 2026, 22:36
Status changed to active
remediation: existing authoritative signal
signal → active
Initial Detection12 May 2026, 01:20
Initial Detection
The UK Information Commissioner's Office (ICO) fined South Staffordshire Water £963,900 ($1.3 million) on 11 May 2026 for a Cl0p ransomware attack that allowed hackers to remain undetected on the company's network for nearly two years. The breach resulted in the personal data of 633,887 customers and employees being published in August 2022. The incident highlights significant cybersecurity vulnerabilities in UK critical water infrastructure.
The Information Commissioner's Office (ICO) fined South Staffordshire Water £963,900 ($1.3 million) on Monday over an attack by the Cl0p ransomware group that led to the personal data of 633,887 customers and employees being published in August 2022.
Source: The Record (Cyber) (Trade Media) · View source
Lloyd's classifications
Tracking this kind of risk? Get an email when Cyber events escalate.
Get alerts