AT&T (T) reports a cybersecurity incident

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AT&T Inc (NYSE: T) Delayed: 23.25 --0 (-0%)
Previous Close $23.25    52 Week High $43.89 
Open $23.25    52 Week Low $32.22 
Day High $23.25    P/E 6.86 
Day Low $23.25    EPS $3.39 
Volume 7,001