Home / Monthly reports / April 2024
Outages & Breaches: April 2024 in numbers
5 significant outages (0 critical) and 3 data breaches (0 critical) were logged in April 2024. The largest breach by records was Giant Tiger (2.8M claimed). The most common outage cause was cyberattack (4 of 5).
Outages5▼ 1 vs March
Critical outages0wide impact
Breaches3▼ 5 vs March
Critical breaches0sensitive data at scale
Records exposed827Kconfirmed or company-reported
Further claimed2.8Mattacker claims, unverified
Outage causes
Named attackers
Most significant incidents
- 18 Apr 2024Synlab Italia suspends diagnostic services after ransomwareSynlab Italia · outage · Cyberattack
- 17 Apr 2024Octapharma closes plasma centres after BlackSuit attackOctapharma Plasma · outage · Cyberattack
- 14 Apr 2024Frontier shuts systems after cyber attackFrontier Communications · outage · Cyberattack
- 11 Apr 20242.8 million Giant Tiger customer records leakedGiant Tiger · breach · Unknown · 2.8M claimed
- 4 Apr 2024Hoya production and orders disrupted by ransomwareHoya · outage · Cyberattack
- 3 Apr 2024WhatsApp and Instagram down for hours worldwideWhatsApp, Instagram · outage · Unknown
- 2 Apr 2024City of Hope cancer centre breach hits 827,000City of Hope · breach · Unknown · 827K records
- 15 Apr 2024Chipmaker Nexperia confirms 1TB data theftNexperia · breach · Dunghill Leak
All 5 outages
- 18 Apr 2024Synlab Italia suspends diagnostic services after ransomwareSynlab Italia · outage · Cyberattack
- 17 Apr 2024Octapharma closes plasma centres after BlackSuit attackOctapharma Plasma · outage · Cyberattack
- 14 Apr 2024Frontier shuts systems after cyber attackFrontier Communications · outage · Cyberattack
- 4 Apr 2024Hoya production and orders disrupted by ransomwareHoya · outage · Cyberattack
- 3 Apr 2024WhatsApp and Instagram down for hours worldwideWhatsApp, Instagram · outage · Unknown
All 3 data breaches
- 15 Apr 2024Chipmaker Nexperia confirms 1TB data theftNexperia · breach · Dunghill Leak
- 11 Apr 20242.8 million Giant Tiger customer records leakedGiant Tiger · breach · Unknown · 2.8M claimed
- 2 Apr 2024City of Hope cancer centre breach hits 827,000City of Hope · breach · Unknown · 827K records
2024 year to date
Incidents YTD50January to April 2024
Outages YTD21significant outages
Breaches YTD29data breaches
Critical YTD11outages and breaches
Records exposed YTD321Mconfirmed or company-reported
| Month | Outages | Breaches | Critical | Running total |
|---|---|---|---|---|
| Jan | 6 | 9 | 4 | 15 |
| Feb | 4 | 9 | 5 | 28 |
| Mar | 6 | 8 | 2 | 42 |
| Apr | 5 | 3 | 0 | 50 |
| Total | 21 | 29 | 11 | 50 |
Cite this
Nuffield Consulting, “Outages & Breaches: April 2024 in numbers”, The Daily Tech Wire,published April 2024. https://techwire.nuffieldconsulting.com/reports/2024-04/ (retrieved 15 Nov 2026).
The underlying data for every month is in the CSV download.