ISC2 Certified Cloud Security Professional (CCSP) Practice Question
You are the security operations manager for a regional IaaS provider. A critical hypervisor firmware vulnerability will force emergency host reboots in one availability zone within the next 48 hours. Contract language requires at least 24-hour notice to all tenants and to the brokerage partners who resell your service. Which communication approach best meets the requirement for these "other stakeholders" while keeping operational overhead low and avoiding unnecessary exposure of technical details?
Publish a maintenance advisory on the public service-status page and automatically e-mail all customers and registered broker contacts.
Release a detailed root-cause analysis on the corporate blog prior to starting the maintenance event.
Telephone each tenant's security contact individually to explain the issue and request a reboot window.
Post the vulnerability notice in the internal chat channel and ask account managers to relay it to partners at their discretion.
Cloud brokers and marketplace resellers are external, non-customer stakeholders that still depend on timely service notifications. The industry-standard practice is to publish a short maintenance advisory on the public status dashboard (or health page) and trigger automated e-mail alerts to every customer and registered partner contact. This meets contractual notice requirements, scales easily, and limits information to the minimum necessary.
Calling each tenant one-by-one does not scale and risks missing parties. Posting a detailed root-cause analysis before the work begins over-shares sensitive technical data and can help attackers. Relying on an internal chat message for account teams introduces delay and the possibility that brokers will not be informed inside the 24-hour window.
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ISC2 Certified Cloud Security Professional (CCSP)
Cloud Security Operations
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