"There will be part of an ongoing review of pragmatic risk mitigation. The cyber threat and security landscape is continually changing and we will be working with all our stakeholders to ensure we make the right decisions in the interests of delivering a secure infrastructure for efficient and modern public service operations," he wrote.
Meanwhile, Socitm is planning to launch a portal in the next few weeks to help "continue the dialogue".
"We're using a crowdsource funding solution to gather extra capacity to continue the dialogue, to help organisations deliver solutions compliant with the PSN," said Halliday.
"We're just in the process of building a portal to make that possible."
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