Isolate affected devices
Disconnect affected devices from networks and external storage, and refer them to the responsible person for follow-up.
Understand threats. Strengthen protection.
Understand the risks. Learn to protect yourself. Find trusted support.
INDEPENDENT THINKING / CLEAR SOURCESINCIDENT RESOURCES
An alert does not necessarily mean files have been encrypted.
If you suspect an attack is in progress, have IT or the incident owner coordinate the response first.
Disconnect affected devices from networks and external storage, and refer them to the responsible person for follow-up.
Record screens, discovery times, unusual filenames and notification content. Avoid hasty deletion or reinstallation.
Check backups and trusted decryption tools in a clean environment. Avoid running unfamiliar programs casually.
Hong Kong incident response coordination resources and decryption considerations
Check trusted decryption tools; not every family has a solution
Public guidance for organisational protection and incident response
Use six questions to identify what needs verification
GLOBAL RESOURCES / Official and nonprofit resources
Investigate threats, verify vulnerabilities, prepare protection or find incident help. Narrow results by purpose, region and organisation type, then visit the original websites.
This update adds 4 organisations—Shadowserver, CIS, DIVD and India's CERT-In—and 3 specialist portals: NIST NVD, CISA KEV and JVN.
67 resource URLs included
No resources match. Try a shorter keyword or clear the purpose, region and category filters.
Local security alerts, ransomware prevention guidance and incident reporting information, operated by the Hong Kong Productivity Council.
Government computer security incident coordination, security alerts and technical guidance.
Anti-fraud information, cybersecurity knowledge and a suspicious-URL checking portal.
Vulnerability risk alerts, malware analysis and weekly cybersecurity reports.
Enterprise security advisories, vulnerability alerts and incident response guidance.
Official Singapore incident response information and vulnerability and threat alerts.
Japanese security alerts, vulnerability coordination, monitoring and incident handling resources.
Business protection, backup and incident response guidance, with the latest threat alerts.
Organisational protection advice, threat reports and local incident reporting resources.
Read security alerts, technical notes, incident analyses and Cyber999 incident reporting information.
Thailand's national portal for incident response coordination, threat information, public documents and security education.
KISA incident response and internet security resources, including security information and reporting service guidance.
Security alerts, technical advice, guidance and incident-handling service information from Bangladesh's national CIRT.
Read threat advisories, cybersecurity guidance and incident response resources from Pakistan's National CERT.
Security alerts, vulnerability information, protection resources and incident reporting channels for public and private organisations and individuals.
The national CERT of the Pacific island nation of Tonga, providing threat advice, incident handling and security education.
Official Indian security alerts, vulnerability advisories, protection guidance and incident reporting information. Check official guidance for the scope of incident intake.
Vulnerability advisories jointly operated by JPCERT/CC and IPA, with affected products, fixes and vendor information.
Checked 2026.10.27: advisories on the main JVN site were accessible. An official notice dated 10.22 states that JVN iPedia and MyJVN are suspended, with no resumption date set.
Public guidance on ransomware protection, organisational recovery readiness and incident response.
Publications on the threat landscape, cyber resilience, risk management and security by design.
Cybersecurity services for EU institutions, with publicly available security advisories and technical research.
Protection advice, security standards and alerts from Germany's Federal Office for Information Security.
Organisational protection, incident response and security guidance, mainly in French.
Official Swiss threat information, business security advice and incident reporting information.
Vulnerability alerts, organisational protection advice and incident support information from the Netherlands' National Cyber Security Centre.
Consult general and industrial control system alerts, vulnerability coordination and incident response services in Spain.
Official Irish security advice, threat advisories, coordinated vulnerability disclosure and incident reporting resources.
Situation updates, weekly reviews, business protection guidance and incident reporting information from Finland's cybersecurity centre.
Ransomware, phishing, denial-of-service protection and incident response resources from Sweden's national CSIRT.
NASK's incident response team provides technical analysis, vulnerability advisories, warning lists and protective tools.
Alerts, guidance and government CERT service information from the Czech National Cyber and Information Security Agency.
Consult Latvian incident information, security news, responsible vulnerability disclosure policy and contact channels.
Information on network monitoring, incident response and security advice services from Estonia's Information System Authority.
The cybersecurity centre under Lithuania's Ministry of National Defence, with incident management, activity reports and information on the cybersecurity situation.
Incident response, threat intelligence sharing and defensive tool resources, including MISP, Lookyloo and Pandora.
Incident handling information, security updates and organisational reporting guidance from Austria's national CERT.
Learn about vulnerability scanning, notifications to affected systems and coordinated disclosure; check received vulnerability notices against public case information.
US interagency ransomware alerts, protection checklists and incident response resources.
Official Canadian security alerts, organisational protection and cyber recovery guidance.
Cybercrime warnings, statistical reports and the IC3 complaint portal. Refer to official guidance for reporting arrangements.
Brazilian incident coordination, trend analysis and security education resources maintained by NIC.br.
Argentina's national CERT, providing public-sector incident handling information, prevention guides and security advice.
Official advisories, security education, incident reporting and CSIRT resources from Chile's national cybersecurity agency.
Threat alerts, best practices, incident management and reporting information from Uruguay's national incident response centre.
Service scope, protection information and official contact channels for Costa Rica's government incident response centre.
Incident response centre of telecommunications regulator ARCOTEL, providing alerts, technical information and reporting channels.
Find vulnerabilities with evidence of exploitation as one input to patch prioritisation. Absence from the list does not mean safety; check your own assets and vendor advice too.
Incident response and threat information from Saudi Arabia's National Cybersecurity Authority.
Read official service descriptions for incident monitoring, response and recovery support.
Mauritius's national response centre, providing incident coordination, risk information and security education.
Security advisories, alerts, protective guidance and incident reporting resources from Tanzania's national response team.
Morocco's DGSSI monitoring, detection and incident coordination centre, with information on its services and official response responsibilities.
Security alerts, incident reporting, audit resources and public guidance from Tunisia's national cybersecurity agency.
Find applicable ransomware decryption tools and prevention information. Not every ransomware family has a solution.
Incident response team directory, collaboration resources and the CVSS vulnerability scoring standard.
Carnegie Mellon SEI vulnerability coordination advisories, with impact and remediation information.
A knowledge base organised by attack behaviour, supporting checks of detection and mitigation measures.
Organise cybersecurity work across Govern, Identify, Protect, Detect, Respond and Recover.
Resources for application security, software supply chains and open-source protection projects.
Check public vulnerability identifiers and records; confirm fixed versions in vendor advisories.
Explore software and hardware weakness types, root cause mappings and priority weakness lists to help analyse remediation options.
Browse attack pattern classifications and public references to understand threat modelling and defence requirements.
Follow network protocol documents, working groups and standards progress. Check the status and expiry of any drafts used.
Consult published RFCs, document status and errata to verify the technical basis of network and security protocols.
View malicious activity and exposure statistics, and how to request remediation reports for your network. Report eligibility and recipients follow official arrangements.
Use CIS Controls to organise priority safeguards and explore CIS Benchmarks for system configuration baselines. Check individual download, membership and service terms separately.
Consult CVE records, impact scores and related references to identify affected products. Confirm actual fixed versions against vendor advisories.
Directory updated: 2026.10.27. Existing links were checked on 2026.10.26; new links on 2026.10.27. Categories support navigation. Nonprofit status does not mean all services are free or open to everyone. Incident help includes response guidance and locating local reporting channels, without guaranteeing case acceptance. Check official information for reporting eligibility, fees, qualifications and service hours. Vulnerability databases and standards are not incident reporting channels. Inclusion does not imply a partnership with or endorsement of this site. Each organisation manages its external content and terms of use.
Initial response guidance is compiled from public HKCERT guidance, checked 2026.10.25. This site provides educational information and official support links; specific service scope and intake arrangements are determined by the relevant organisations.
NEED HELP
Read the initial response guide, or email us with details and your contact information. The scope and arrangements for support are confirmed case by case.