[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f15X_rmty-_tBK-t0YoGt7KRt0T_BOL1FBeEwac6N3nE":3},{"article":4,"iocs":48,"watch_terms":49,"solutions":50,"lesson":143},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"url":11,"image_url":12,"published_at":13,"ingested_at":14,"relevance_score":15,"entities":16,"category_id":25,"category":26,"article_tags":30},"f209bfa0-f8a3-43bc-bdea-9aeed7c85773","Kiteworks & Citrix Incidents Show Challenges of Zero-Day Response","kiteworks-amp-citrix-incidents-show-challenges-of-zero-day-response-c85075","One company told customers to power down its data-protection platform during a nine-hour window, while the other remained mum on reported attacks prior to releasing a patch for its product.","Two recent incidents involving Kiteworks and Citrix demonstrate the difficulties organizations face when responding to zero-day vulnerabilities. Kiteworks advised customers to shut down its data-protection platform for nine hours, while Citrix remained silent about attacks before patching its product. These contrasting approaches underscore the complex decision-making involved in managing zero-day threats.","Kiteworks and Citrix incidents highlight zero-day response challenges.","https:\u002F\u002Fwww.darkreading.com\u002Fcybersecurity-operations\u002Fkiteworks-citrix-incidents-challenges-zero-day-response","https:\u002F\u002Feu-images.contentstack.com\u002Fv3\u002Fassets\u002Fblt6d90778a997de1cd\u002Fblt3f39295ab2cc8617\u002F6abec652493aca7db2e138d1\u002Fhear-no-evil-see-no-evil-monkeys-robert_lemos.jpg?width=720&quality=80&disable=upscale","2026-10-02T16:56:30+00:00","2026-10-02T18:00:22.365024+00:00",7,[17,20,23],{"name":18,"type":19},"data-protection platform","product",{"name":21,"type":22},"Kiteworks","vendor",{"name":24,"type":22},"Citrix","80544778-fabb-4dcd-aa35-17492e5dcf4f",{"id":25,"icon":27,"name":28,"slug":29},null,"Vulnerabilities","vulnerabilities",[31,36,41,43],{"category":32},{"id":33,"icon":27,"name":34,"slug":35},"2e06f76c-d5b9-4f54-9eef-4d3447b10730","Breaches","breaches",{"category":37},{"id":38,"icon":27,"name":39,"slug":40},"574f766a-fb3f-487c-8d2c-0720ae75471b","Zero-day","zero-day",{"category":42},{"id":25,"icon":27,"name":28,"slug":29},{"category":44},{"id":45,"icon":27,"name":46,"slug":47},"c5eccf7c-abbc-4bd3-bbed-e6da5cba8e73","Incident Response","incident-response",[],[24,21,18],{"controls":51,"vendors":137},[52,80,109],{"slug":53,"name":54,"problem":55,"products":56},"patch-management","Automated patch management","Known holes get closed in days, not months.",[57,65,72],{"vendor_slug":58,"vendor_name":59,"vendor_logo":60,"product_slug":61,"product_name":62,"url":63,"description":64},"ninjaone","NinjaOne","\u002Fvendor-logos\u002Fninjaone.png","ninjaone-patch-management","NinjaOne Patch Management","https:\u002F\u002Fwww.ninjaone.com\u002Fpatch-management\u002F","Automated patching of operating systems and third-party applications from the cloud.",{"vendor_slug":66,"vendor_name":67,"vendor_logo":68,"product_slug":53,"product_name":69,"url":70,"description":71},"qualys","Qualys","\u002Fvendor-logos\u002Fqualys.png","Qualys Patch Management","https:\u002F\u002Fwww.qualys.com\u002Fapps\u002Fpatch-management\u002F","Patch deployment for operating systems and third-party applications, linked to vulnerability findings.",{"vendor_slug":73,"vendor_name":74,"vendor_logo":75,"product_slug":76,"product_name":77,"url":78,"description":79},"microsoft","Microsoft","\u002Fvendor-logos\u002Fmicrosoft.png","intune","Microsoft Intune","https:\u002F\u002Fwww.microsoft.com\u002Fen-us\u002Fsecurity\u002Fbusiness\u002Fmicrosoft-intune","Device management for Windows, macOS, iOS and Android, including update rings and compliance policies.",{"slug":81,"name":82,"problem":83,"products":84},"threat-intelligence","Threat intelligence","Attack campaigns reach your sector, suppliers or software before your team hears about them.",[85,93,101],{"vendor_slug":86,"vendor_name":87,"vendor_logo":88,"product_slug":89,"product_name":90,"url":91,"description":92},"recorded-future","Recorded Future","\u002Fvendor-logos\u002Frecorded-future.png","recorded-future-cyber-operations","Recorded Future Cyber Operations","https:\u002F\u002Fwww.recordedfuture.com\u002Fproducts\u002Fcyber-operations","Threat intelligence built into security operations workflows, to prioritise alerts and act on threats before they arrive.",{"vendor_slug":94,"vendor_name":95,"vendor_logo":96,"product_slug":97,"product_name":98,"url":99,"description":100},"dataminr","Dataminr","\u002Fvendor-logos\u002Fdataminr.png","agentic-threat-intelligence-platform","Agentic Threat Intelligence Platform","https:\u002F\u002Fwww.dataminr.com\u002Fproducts\u002Fcyber-defense\u002Fagentic-threat-intelligence-platform\u002F","Threat intelligence platform, formerly ThreatConnect TI Ops, that collects, scores and structures intelligence and pushes it into security tools.",{"vendor_slug":102,"vendor_name":103,"vendor_logo":104,"product_slug":105,"product_name":106,"url":107,"description":108},"reliaquest","ReliaQuest","\u002Fvendor-logos\u002Freliaquest.png","greymatter-digital-risk-protection","GreyMatter Digital Risk Protection","https:\u002F\u002Freliaquest.com\u002Fsecurity-operations-platform\u002Fdark-web-and-digital-risk-protection\u002F","Watches the open, deep and dark web for threats aimed at an organisation and alerts its security team in real time.",{"slug":110,"name":111,"problem":112,"products":113},"incident-response-retainer","Incident response retainer","Experts are on call before the worst day, not searched for during it.",[114,122,130],{"vendor_slug":115,"vendor_name":116,"vendor_logo":117,"product_slug":118,"product_name":119,"url":120,"description":121},"truesec","Truesec","\u002Fvendor-logos\u002Ftruesec.png","truesec-incident-response","Truesec Incident Response","https:\u002F\u002Fwww.truesec.com\u002Fservice\u002Fincident-response","Incident response team with a retainer option.",{"vendor_slug":123,"vendor_name":124,"vendor_logo":125,"product_slug":126,"product_name":127,"url":128,"description":129},"palo-alto-networks","Palo Alto Networks","\u002Fvendor-logos\u002Fpalo-alto-networks.png","unit-42-retainer","Unit 42 Retainer","https:\u002F\u002Fwww.paloaltonetworks.com\u002Funit42\u002Fretainer","Incident response retainer with Unit 42, including preparation services.",{"vendor_slug":131,"vendor_name":132,"vendor_logo":133,"product_slug":47,"product_name":134,"url":135,"description":136},"crowdstrike","CrowdStrike","\u002Fvendor-logos\u002Fcrowdstrike.png","CrowdStrike Incident Response","https:\u002F\u002Fwww.crowdstrike.com\u002Fen-us\u002Fservices\u002Fincident-response\u002F","Incident response services, available on retainer.",[138],{"slug":139,"name":24,"logo_path":140,"roles":141},"citrix","\u002Fvendor-logos\u002Fcitrix.png",[142],"affected",{"slug":144,"title":145,"body":146,"framework_refs":147,"framework_notes":158},"zero-day-response-failures-kiteworks-citrix-highlight-communication-gaps","Zero-Day Response Failures: Kiteworks & Citrix Highlight Communication Gaps","The Kiteworks and Citrix incidents expose a critical tension in zero-day response: acting quickly versus communicating transparently. Kiteworks chose a nine-hour platform shutdown to protect customers, while Citrix remained silent during active exploitation — both approaches carrying significant operational and reputational risk. The contrasting strategies reveal that most organizations lack a mature, pre-defined playbook for zero-day scenarios, leaving them to improvise under pressure. Delayed or absent communication during active attacks erodes customer trust and can extend the window of compromise across an entire customer base. Zero-day vulnerabilities demand both technical readiness and a rehearsed communication strategy before an incident ever occurs.",[148,149,150,151,152,153,154,155,156,157],"NIST SP 800-61 Rev. 2 – Computer Security Incident Handling Guide","NIST CSF 2.0 – RS.CO (Respond: Communications)","NIST CSF 2.0 – ID.RA (Identify: Risk Assessment)","CIS Control 7 – Continuous Vulnerability Management","CIS Control 17 – Incident Response Management","CIS Control 12 – Network Infrastructure Management","NIST SP 800-40 Rev. 4 – Guide to Enterprise Patch Management","ISO\u002FIEC 27035 – Information Security Incident Management","GDPR Article 33 – Notification of a Personal Data Breach to Supervisory Authority","ITIL 4 – Major Incident Management Practice",{}]