Determining the needs and requirements of each audience should be the FIRST step in developing materials to update the board, regulatory agencies, and the media about a security incident. This is because different audiences have different expectations, interests, and concerns regarding the incident and its impact. By understanding the needs and requirements of each audience, the information security manager can tailor the communication materials to address them effectively and appropriately. This will also help to avoid confusion, misinformation, or misinterpretation of the incident details and response actions

A common drawback of email software packages that provide native encryption of messages is that the encryption cannot interoperate across product domains. This means that emails sent from one product cannot be read by another product, as the encryption keys used are not compatible. This can be a problem when sending emails to people who use different software packages, as the encrypted emails cannot be read.