Healthcare threat intelligence report — 4–10 July 2026

• Reference: TI-2026-0710-005 (public edition)
• Sector: Healthcare
• Reporting period: 4–10 July 2026
• Issued: 10 July 2026 · Lead analyst: Peter Bassill · Reviewed by: SOC Duty Senior Analyst

This is the public (TLP:CLEAR) edition of an intelligence product written by the UK Cyber Defence Security Operations Centre for its clients. Observations specific to individual client environments have been removed. Clients receive the full edition, including estate-specific indicators and detection content.

1. Executive summary

This report provides an assessment of the threat landscape affecting the Healthcare sector during the period 04 Jul 2026 - 10 Jul 2026. The healthcare vertical is in a sustained reconnaissance phase from the perspective of the attackers. SonicWall's mid-year data - 264,000 IPS events across UK hospital networks Jan-May 2026 versus 27,000 across the whole of 2025, a 10x surge - is the anchor statistic for the reporting period. This is assessed as adversary mapping of NHS and adjacent networks in advance of exploitation activity rather than a change in defensive telemetry.

The reporting-period event of most direct significance is Cyber Daily's confirmation that an NHS England provider has suffered a cyber attack with hackers claiming data stolen. NHS England's confirmation of an intent to formally investigate the security posture of its supplier ecosystem, following recent incidents including the still-referenced South East London / Synnovis pathology intrusion of 2024, sets the strategic direction for the vertical over the coming quarter.

Key Judgements

The following key judgements represent the lead analyst’s assessed view at the time of issue. Each is qualified by an analytic confidence rating in line with the conventions described in Section 11.

1. It is highly likely that at least one further UK NHS provider or supplier will publicly disclose a cyber incident within the next two reporting cycles, given the 10x year-on-year surge in IPS events against UK hospitals in the first half of 2026 and the operational maturity of the actors in the target profile (HIGH confidence).
2. It is highly likely that Qilin, Akira, DragonForce and The Gentlemen will continue to drive the majority of materially-disruptive incidents against UK healthcare providers and adjacent private-sector clinics over the next two reporting cycles (HIGH confidence).
3. It is likely that CitrixBleed 3 follow-on (CVE-2026-8451) will drive fresh access to healthcare NetScaler estates over the next two cycles given the 24-hour exploitation cadence and the prevalence of Citrix as the NHS remote-access platform (MEDIUM-HIGH confidence).
4. It is likely that CVE-2026-45659 SharePoint deserialisation exposure remains material for NHS document-management estates holding clinical governance, procurement and HR content (MEDIUM-HIGH confidence).
5. It is a realistic possibility that CVE-2026-55255 (Langflow) will be exploited against healthcare AI proof-of-concept environments before the coming reporting cycle ends (MEDIUM confidence).

2. Sector threat landscape

The healthcare vertical is in a sustained reconnaissance phase from the perspective of the attackers. SonicWall's mid-year data - 264,000 IPS events across UK hospital networks Jan-May 2026 versus 27,000 across the whole of 2025, a 10x surge - is the anchor statistic for the reporting period. This is assessed as adversary mapping of NHS and adjacent networks in advance of exploitation activity rather than a change in defensive telemetry.

The reporting-period event of most direct significance is Cyber Daily's confirmation that an NHS England provider has suffered a cyber attack with hackers claiming data stolen. NHS England's confirmation of an intent to formally investigate the security posture of its supplier ecosystem, following recent incidents including the still-referenced South East London / Synnovis pathology intrusion of 2024, sets the strategic direction for the vertical over the coming quarter.

Weighting H-ISAC intelligence above vendor reporting, the analyst's view is that Qilin (whose Synnovis intrusion remains the canonical reference case), Akira, DragonForce and The Gentlemen are the four actors of most operational significance to the vertical. The 07 Jul KEV addition of CVE-2026-55255 (Langflow authorisation bypass) creates a novel exposure across healthcare AI proof-of-concept environments that may not yet be tracked in mainstream healthcare asset inventories.

3. Key threat actors

The following actors are assessed to pose the most significant threat to organisations within the named vertical during the reporting period. The profile block below should be repeated, in full, for each actor profiled. Prioritise actors for whom new or sector-relevant activity has been observed within the reporting period; established actors with no recent activity may be referenced briefly without a full profile.

Qilin (a.k.a. Agenda)

• Aliases: Agenda, Qilin.B, Water Galura
• Suspected Origin: Russian-speaking (unattributed)
• Suspected Sponsor: Organised criminal RaaS
• Primary Motivation: Financial (double extortion)
• Sector Targeting: Financial services, healthcare, manufacturing, retail, professional services, logistics
• Geographic Focus: Global; UK and EU disproportionately represented in H1 2026 leak-site postings
• Signature TTPs: Initial access via brokered credentials, Check Point VPN CVE-2026-50751 exploitation, RMM abuse (AnyDesk, SplashTop), PowerShell + Rust ransomware payload; ESXi Linux variant
• Tooling / Malware Families: Qilin.B ransomware (Rust), Cobalt Strike, Rclone-to-Mega, Mimikatz, SharpHound
• Recent Activity: 1,496 leak-site victims across trailing 12 months (dominant RaaS); 78 postings in June 2026 (temporarily overtaken by The Gentlemen at 115); continued CVE-2026-50751 exploitation reported this period
• Assessed Threat to Vertical: HIGH - dominant RaaS operator across UK/EU
• Analytic Confidence: HIGH

Akira

• Aliases: Akira, Storm-1567
• Suspected Origin: Russian-speaking (unattributed)
• Suspected Sponsor: Organised criminal RaaS
• Primary Motivation: Financial (double extortion)
• Sector Targeting: Manufacturing, professional services, mid-market FS, education, hospitality, logistics
• Geographic Focus: North America and Europe; UK and Ireland heavily represented in FY26 tally
• Signature TTPs: Cisco / Citrix VPN unpatched initial access, valid credentials from IABs, weak-MFA bypass, RDP lateral movement, ESXi hypervisor targeting
• Tooling / Malware Families: Akira ransomware (Rust / C++), Megazord ESXi variant, Cobalt Strike, Mimikatz, Rclone, AnyDesk
• Recent Activity: 1,205 leak-site victims across trailing 12 months; continued mid-cycle activity through 04-10 Jul 2026 per ransomware.live
• Assessed Threat to Vertical: HIGH - direct threat to mid-market back-office ESXi estates
• Analytic Confidence: HIGH

DragonForce / Scattered Spider cluster

• Aliases: Scattered Spider, UNC3944, Octo Tempest, Muddled Libra, 0ktapus, DragonForce affiliate
• Suspected Origin: Anglophone (UK/US); further four arrests 10 Jul 2026 per NCA
• Suspected Sponsor: Organised criminal alliance / RaaS
• Primary Motivation: Financial (ransomware + data extortion)
• Sector Targeting: Retail, hospitality, telecoms, technology, real estate, manufacturing, construction, FS (payments)
• Geographic Focus: Anglophone western targets
• Signature TTPs: Voice-phishing IT service desk to reset MFA, help-desk social engineering, EDR bypass via legitimate RMM tooling, DragonForce Linux/ESXi ransomware, aggressive cloud-tenant pivot
• Tooling / Malware Families: DragonForce ransomware, Ngrok, AnyDesk, SplashTop, Impacket, Chisel
• Recent Activity: 7 leak-site postings in trailing 24h (Real Estate, Manufacturing, Construction focus); 4 additional UK arrests connected to M&S/Co-op/Harrods case 10 Jul 2026; alliance-affiliate operations continue
• Assessed Threat to Vertical: HIGH - social-engineering methodology transfers directly across verticals
• Analytic Confidence: HIGH

The Gentlemen

• Aliases: The Gentlemen (single-name RaaS brand)
• Suspected Origin: Unattributed (Russian-speaking assessed)
• Suspected Sponsor: Organised criminal RaaS
• Primary Motivation: Financial (double extortion)
• Sector Targeting: Broad mid-market; disproportionately professional services, retail, healthcare, manufacturing
• Geographic Focus: Global; western Europe and North America dominant in June-July 2026 tally
• Signature TTPs: Initial access via brokered credentials, LOTL tooling, aggressive leak-site publication cadence, PowerShell + custom Rust payload
• Tooling / Malware Families: The Gentlemen ransomware (Rust), Rclone, PsExec, Cobalt Strike
• Recent Activity: 115 leak-site postings in Jun 2026 - highest of any single brand and first month above Qilin in over a year; sustained cadence into 04-10 Jul 2026
• Assessed Threat to Vertical: HIGH - fastest-growing RaaS brand
• Analytic Confidence: MEDIUM-HIGH

4. Tactics, techniques and procedures

The TTPs listed below are aligned to the MITRE ATT&CK Enterprise framework and represent techniques observed in incidents affecting the vertical during the reporting period. The corresponding behaviours should be cross-referenced to the incidents listed in Section 5 and to detection logic deployed within client environments.

5. Notable incidents and campaigns

Where peer organisations are named, the source of attribution is recorded. Where peer organisations are anonymised, the description is sufficient to convey the operational lessons without identifying the affected party.

6. Vulnerabilities of concern

The vulnerabilities below are those assessed to carry the greatest material risk to the vertical at the time of issue, taking into account exploit availability, observed exploitation, the prevalence of affected products in the sector, and listing on the CISA Known Exploited Vulnerabilities catalogue. The remediation guidance should be read alongside the recommended actions in Section 9.

7. Indicators of compromise

The following indicators are provided to support detection engineering and threat hunting within client environments. Indicators are defanged in line with industry convention, and confidence ratings reflect the analyst’s assessment of the strength of the association between the indicator and the named actor or campaign. Indicators should be ingested with appropriate decay periods; high-confidence atomic indicators (hashes) generally warrant longer retention than network indicators (IPs, domains).

A machine-readable companion file in STIX 2.1 format is available on request from the lead analyst.

8. Sector risk assessment

The risk assessment below combines the threat picture established in earlier sections with an estimate of the impact each scenario would carry for a representative organisation operating in the vertical. The composite rating is intended to inform prioritisation of defensive investment and is not a substitute for an organisation-specific risk assessment.

9. Recommended defensive actions

The recommendations below are organised against the three operational pillars of Detect, Defend, and Disrupt. They are intended to be actionable within a typical client environment and should be prioritised according to the risk ratings assigned in Section 8 and the operational maturity of the receiving organisation.

Detect

Detection engineering should retain CitrixBleed 3 follow-on (CVE-2026-8451) session-token replay hunts against NHS NetScaler estates as the principal hunting hypothesis. Hunt for the Anubis-affiliate RMM toolkit given the transferability of the tradecraft. Retain SharePoint deserialisation hunts. Add Langflow exploitation coverage for CVE-2026-55255 in any environment where healthcare AI proof-of-concept work is under way, particularly around unrestricted admin path exposure. Deploy IP Insights critical-tail block / alert lists to WAF and Entra ID Conditional Access. Cross-reference with H-ISAC daily indicator exchange output.

Defend

Preventive priorities follow Section 6 directly. Complete NetScaler CVE-2026-8451 patching with mandatory session invalidation - the NHS-wide Citrix footprint makes this the single most material control. Verify CVE-2026-45659 SharePoint patching. Apply Ivanti Sentry CVE-2026-10520 and Ivanti EPMM CVE-2026-6973 hotfixes; NHS mobile-device management estates are commonly Ivanti-based. Address Langflow (CVE-2026-55255) exposure in AI proof-of-concept environments. Enforce phishing-resistant MFA on all clinical-system and remote-access accounts. Formalise supplier security posture reviews per NHS England's stated programme.

Disrupt

Disruption activity within client lawful authority should focus on: (i) sustained participation in H-ISAC daily indicator exchange, with this week's IP Insights critical / block tail submitted as the highest-value contributable; (ii) honeypot deployment fronting NetScaler Gateway and SharePoint uploader paths; (iii) coordinated take-down requests via NCSC Takedown Service targeting the IP Insights critical tail; (iv) close liaison with NHS England Digital and the NHS regional cyber-response teams on the reporting-period NHS provider incident; (v) proactive briefing of AI programme teams on the Langflow exposure.

10. Forward outlook

Looking forward to the next reporting period (11 Jul - 17 Jul 2026), it is likely that further NHS provider or NHS supplier incidents will be publicly disclosed, given the SonicWall reconnaissance data and the reporting-period NHS England provider incident. Ransomware leak-site cadence from Qilin, Akira, DragonForce and The Gentlemen against healthcare peers is expected to remain steady week-on-week. It is likely that CitrixBleed 3 follow-on exploitation will continue against healthcare NetScaler estates.

Trigger conditions that would prompt revision of this outlook include: (a) an NHS Trust or NHS-supplier public attribution of a breach to CVE-2026-8451 or CVE-2026-45659, which would warrant immediate out-of-cycle reporting; (b) a Langflow-borne incident against a UK healthcare AI programme; (c) further CISA KEV additions materially affecting healthcare infrastructure or NHS-supplier SaaS; (d) any confirmed intrusion against a monitored healthcare client attributable to the actors profiled in Section 3.

11. Analytic confidence and source reliability

Analytic confidence ratings used throughout this report express the analyst’s assessment of the strength of the evidence and reasoning underlying each judgement. HIGH indicates well-corroborated evidence drawn from multiple credible sources and a strong analytic line of reasoning; MEDIUM indicates plausibility supported by partial corroboration or sound analytic inference; LOW indicates limited evidence, single-sourcing, or significant uncertainty in the underlying data. Where confidence is LOW, the rationale is recorded in the body of the report rather than allowed to stand unexamined.

Sources cited in Section 12 are graded against the Admiralty System, which assesses source reliability on a scale of A to F and information credibility on a scale of 1 to 6. The full key is reproduced below for reference.

12. References

The numbered references below correspond to citations within the body of the report. Each entry is graded against the Admiralty System.

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About this report

UK Cyber Defence's SOC publishes sector threat intelligence for the organisations it defends, graded against the Admiralty system and mapped to MITRE ATT&CK. This public edition is provided in good faith on the basis of sources held to be reliable at the time of issue; recipients remain responsible for how they apply it. If you would like sector briefings, indicators and detection content for your own organisation, talk to an analyst or read about SOC365, our managed SOC.