1 December 2024
Synnovis services fully restored after cyber-attack
NHS England says Synnovis pathology services were fully restored by December 2024 after the June 2024 ransomware attack, and that the investigation into stolen data is now complete.
Cyber news
We cover news from public bodies and utility companies for UK households on power cuts, weather, water, health, safety and security. Each report includes the date and sources, with links to our guides.
December 2024
October 2024
4 October 2024
Almost all south east London NHS services back after Synnovis attack
NHS England reports that nearly all services affected by the June cyber attack on pathology provider Synnovis are running again, with blood transfusion laboratory systems reconnected and testing…
1 October 2024
Southern Water concludes cyber attack investigation and notifies affected customers
Southern Water has finished its investigation into data potentially taken in a cyber attack on its IT systems earlier this year and is notifying affected customers, employees and former employees.
September 2024
26 September 2024
NHS reports near-normal service levels in week sixteen of Synnovis incident
NHS England London reports near-normal service levels in south east London in the sixteenth week after the Synnovis ransomware attack, with GP pathology access fully restored and small numbers of…
19 September 2024
Week fifteen update shows 10,146 outpatient appointments and 1,705 elective procedures postponed since Synnovis attack
NHS England London reports that 10,146 acute outpatient appointments and 1,705 elective procedures have been postponed since the June ransomware attack on Synnovis, with only seven postponements in…
August 2024
15 August 2024
Synnovis rebuilds core IT systems and resumes GP testing in three boroughs
Synnovis has rebuilt its core IT systems after the June ransomware attack, allowing GP laboratory testing to resume in Bexley, Lewisham and Greenwich from 15 August, NHS England London said.
July 2024
19 July 2024
CrowdStrike outage grounds planes and freezes bank transactions
A faulty antivirus software update in July 2024 grounded aircraft, froze bank transactions and forced hospitals to cancel procedures, cited as an example of how a single technical failure can spread…
19 July 2024
Global IT outage disrupts NHS services across London
A global IT outage disrupted NHS services across London on 19 July 2024, mainly in GP practices, with NHS London advising patients to attend appointments as usual and use NHS 111 for urgent help.
19 July 2024
NHS London weekly update reports over 7,000 outpatient appointments postponed since attack
NHS England London reports that more than 7,000 outpatient appointments and over 1,500 elective procedures have been postponed at two south east London trusts since the 3 June ransomware attack on…
19 July 2024
NCSC statement on major global IT outage
The National Cyber Security Centre said organisations affected by the global IT outage on Friday 19 July 2024 should apply vendor mitigations, and warned of an increase in related phishing.
11 July 2024
NHS London publishes fifth weekly data update on Synnovis cyber incident clinical impact
NHS England London has published a fifth weekly update on the clinical impact of the Synnovis ransomware attack, showing 1,286 acute outpatient appointments and 100 elective procedures postponed in…
4 July 2024
Fourth weekly update shows 4,913 outpatient appointments postponed since attack began
NHS England's fourth weekly update records 4,913 acute outpatient appointments and 1,391 elective procedures postponed at two London trusts since the 3 June ransomware attack on Synnovis.
4 July 2024
NHS Blood and Transplant appeals to O type donors after cyber incident
NHS Blood and Transplant has asked O Positive and O Negative donors to book appointments at 25 NHS Blood Donor Centres in England to rebuild O type stocks after the June ransomware attack on Synnovis.
1 July 2024
CrowdStrike IT outage caused widespread impacts on essential services
The 2025 National Risk Register cites the CrowdStrike IT outage as evidence of how technology failure can affect services essential to daily life, alongside 89 risks across nine themes.
1 July 2024
Global IT outage from faulty CrowdStrike update prompts scam warnings
Get Safe Online has warned individuals and small businesses about scams exploiting the global Microsoft outage caused by a faulty CrowdStrike software update, including fake tech support calls and…
June 2024
20 June 2024
Cyber criminals publish data claimed to be stolen from Synnovis
A cyber criminal group has published data it claims was stolen from Synnovis, the south-east London pathology laboratory hit by a ransomware attack on 3 June 2024, and investigators are working to…
14 June 2024
NHS England London publishes weekly impact data on Synnovis cyber incident
NHS England London is publishing weekly unverified figures on the disruption caused by the ransomware attack on the Synnovis pathology laboratory, with 814 planned operations postponed in the first…
3 June 2024
Cyber attack hits Synnovis pathology services
A ransomware attack on pathology provider Synnovis on 3 June 2024 disrupted NHS blood testing in south east London, postponing thousands of appointments and contributing to a national shortage of…
1 June 2024
Cyber attack on Synnovis postponed over 11,800 NHS appointments and procedures
A cyber attack on NHS pathology provider Synnovis led to 10,152 acute outpatient appointments and 1,710 elective procedures being postponed across two London hospital trusts.
1 June 2024
NHS Blood and Transplant appeals to O type blood donors after cyber incident
NHS Blood and Transplant has urged O Positive and O Negative donors to book appointments at 25 NHS Blood Donor Centres in England after a ransomware attack on a south east London pathology laboratory…