Security breaches of digital communications? Yup.
Big deal, sure.
Perhaps moar yuge than thought?
Where did the buck stop?
See pic.
"In 2014, the PDB transitioned from a print product to electronic delivery at the request of President Barack Obama."
Sauce:
The Public's Daily Brief
https://www.intelligence.gov/publics-daily-brief
Also see:
Processing of ad hoc and Secret clearance requests
https://www.cia.gov/library/readingroom/document/cia-rdp88b00553r000100170028-1
"all too frequently there is not sufficient time allowed for the processing of ad hoc Secret and liaison clearance requests"
There's a-hole in ya buck[et].
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Also for historical comparisons see:
The President's Daily Brief, by Thomas S. Blanton, Updated April 12, 2004. Documents: The 6 August 2001 PDB and more.
https://nsarchive2.gwu.edu/NSAEBB/NSAEBB116/