Sensitive personal details including salaries and redundancy entitlements of senior staff at Rupert Murdoch's News Corp Australia have been emailed across parts of the organisation as it battles staff disquiet over layoffs.

News Corp Australia staff expressed shock at receiving an email about 9am on Wednesday, detailing "the redundancy summary" for employees "over 200K".

The email reveals a redundancy entitlement of nearly $210,000 to The Australian's contributing economics editor Judith Sloan and details her $357,000 salary.

Judith Sloan's personal details including salary and redundancy entitlement were included on the email sent around News Corp Australia. Credit:Louie Douvis

Other senior staff members on the list include Sharon Chek, group financial planning and analysis manager, who is entitled to a $135,000 payout; Steve Bowden, regional general manager at APN News & Media, with more than $82,000; and Maria Karavias, general manager, customer strategy & services, who had an entitlement of $210,000. It's understood Ms Karavias resigned and was not made redundant.