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Amid the unveiling of Illinois’ Vax Verify system, concerns are raised about the security of the vaccine verification portal. (WTTW News)

Could Illinois’ vaccine verification portal — known as Vax Verify — leave residents’ personal information vulnerable to hacking? We discuss privacy concerns surrounding the newly unveiled portal.

Plus: Analysis of the attack on ‘Chicago Tonight’

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The U.S. Treasury Department building viewed from the Washington Monument, Wednesday, Sept. 18, 2019, in Washington. (AP Photo / Patrick Semansky, file)

U.S. government agencies and private companies rushed to secure their computer networks following the disclosure of a sophisticated and long-running cyber-espionage intrusion suspected of being carried out by Russian hackers.