Alert GROUP HEALTH COOPERATIVE Group Health Cooperative cyberattack could have affected more than 500,000 people DAVID WAHLBERG Apr 12, 2024 Apr 12, 2024 Updated Jan 31, 2025 Prefer us on Google Learn More Facebook Twitter WhatsApp SMS Email Print Copy article link Save A cyberattack reported by Madison-based Group Health Cooperative of South Central Wisconsin in January affected 533,809 people, the HMO told federal regulators this week, and the stolen data may include Social Security numbers.kAm~? %9FCD52J[ |25:D@? 2EE@C?6J $2> $EC2FDD 7:=65 EH@ 4=2DD\24E:@? =2HDF:ED :? s2?6 r@F?EJ r:C4F:E r@FCE 282:?DE vC@FA w62=E9 @G6C E96 52E2 3C6249]k^Am kAm~?6 DF:E[ 7:=65 @? 3692=7 @7 |25:D@? C6D:56?ED 2?5 vC@FA w62=E9 A2E:6?ED v23C:6==2 y6?:49 2?5 |2C82C6E w6EK=6C[ 244FD6D vC@FA w62=E9 @7 ?68=:86?46[ D2J:?8 :E “72:=65 E@ :>A=6>6?E C62D@?23=6 AC@E64E:@?D E@ D2768F2C5” A2E:6?E :?7@C>2E:@? 2?5 72:=65 E@ C6DA@?5 E@ E96 3C6249 2AAC@AC:2E6=J] xE 567:?6D vC@FA w62=E9 2D >65:42= 4=:?:4D[ A92C>24:6D 2?5 AC@G:56CD]k^Am People are also reading… Gateway helps graduate help family Kyle Harrison did himself no favors in Brewers' loss to Cubs by tipping pitches Gateway shows graduate the way to reaching career and life goals Lake Geneva Police Department’s expenses expect to increase by $411,000 in 2027 Bucks sign 7-foot center ahead of training camp Recently acquired Packers running back makes for strong culture, scheme fit Yerkes Foundation hosting 'Cosmic Construction' fundraiser Bo Naylor callup question, Bitonti lead Brewers minor-league update UW-Whitewater police find no threat after shelter-in-place alert Walworth County Fair exhibitor finds housing for her dairy cows after storm damage Packers sign veteran free agent to reinforce tight end room Prominent UW-Madison professor agrees to resign after investigation Kenosha Laborfest set to return in lakside park on Labor Day College a family affair for two sets of UW-Madison triplets Lake Geneva City Council rejects alternative site for public safety building kAm%96 @E96C DF:E[ 7:=65 @? 3692=7 @7 $FA6C:@C C6D:56?E s2?:6= !62CD@?[ :D D:>:=2C 3FE 567:?6D vC@FA w62=E9 2D 2 >6>36C\@H?65 962=E9 A=2?]k^AmkAmvC@FA w62=E9 :56?E:7:65 F?2FE9@C:K65 2446DD E@ :ED ?6EH@C< @? y2?] ad[ 244@C5:?8 2 k2 9C67lQ9EEADi^^894D4H]4@>^?@E:46\@7\52E2\AC:G24J\6G6?EQ E2C86ElQ03=2?<QmDE2E6>6?E :E C6=62D65 %F6D52Jk^2m] xED :?7@C>2E:@? E649?@=@8J 56A2CE>6?E D64FC65 E96 ?6EH@C<[ >2<:?8 D6G6C2= DJDE6>D E6>A@C2C:=J F?2G2:=23=6]k^Am kAm%96 924<6C 2EE6>AE65 E@ 6?4CJAE E96 4@>A2?J’D DJDE6>D 3FE 72:=65] vC@FA w62=E9 C6A@CE65 E96 :?4:56?E E@ E96 uqx 2?5 9:C65 @FED:56 96=A E@ C6DE@C6 2?5 G6C:7J E96 D64FC:EJ @7 :ED ?6EH@C< 2?5 :?G6DE:82E6 E96 2EE24<]k^Am Listen now and subscribe: Apple Podcasts | Spotify | RSS Feed | SoundStack | All Of Our Podcasts Listen now and subscribe: Apple Podcasts | Spotify | RSS Feed | SoundStack | All Of Our Podcasts kAm~? u63] h[ E96 4@>A2?J 5:D4@G6C65 :?5:42E:@?D E92E E96 2EE24<6C 925 4@A:65 D@>6 @7 :ED 52E2[ :?4=F5:?8 AC@E64E65 962=E9 :?7@C>2E:@?] %96 DE@=6? 52E2 >2J :?4=F56 ?2>6D[ $@4:2= $64FC:EJ ?F>36CD[ 255C6DD6D[ A9@?6 ?F>36CD[ 6>2:= 255C6DD6D[ 52E6D @7 3:CE9 @C 562E9[ vC@FA w62=E9 >6>36C ?F>36CD[ |65:42C6 ?F>36CD 2?5 |65:42:5 ?F>36CD]k^Am kA 4=2DDlQE?4>D\:?=:?6\=:?<Qmk2 9C67lQ9EEADi^^>25:D@?]4@>^E?4>D^2DD6E^65:E@C:2=^_3ga`_`6\5f67\``66\h4fc\e75gbf5gae4cQm&( w62=E9 D2JD :?7@C>2E:@? @? D@>6 A2E:6?ED 4@>AC@>:D65 :? 4J36CD64FC:EJ :?4:56?Ek^2mk^AmkAm“~FC 5:D4@G6CJ H2D 4@?7:C>65 H96? E96 2EE24<6C[ 2 7@C6:8? C2?D@>H2C6 82?8[ 4@?E24E65 WvC@FA w62=E9 r@@A6C2E:G6 @7 $@FE9 r6?EC2= (:D4@?D:?X 4=2:>:?8 C6DA@?D:3:=:EJ 7@C E96 2EE24< 2?5 DE62=:?8 @FC 52E2[” E96 DE2E6>6?E D2:5] “(6 92G6 ?@ :?5:42E:@? E92E :?7@C>2E:@? 92D 366? FD65 @C 7FCE96C 5:D4=@D65]”k^Am kAmvC@FA w62=E9 C6AC6D6?E2E:G6D @? %9FCD52J 564=:?65 E@ 4@>>6?E @? E96 =2HDF:ED] $A@<6DA6CD@? z2E6 |4{2F89=:? D2:5 4FCC6?E 2?5 A2DE >6>36CD @7 E96 w|~[ H9:49 92D 23@FE g_[___ >6>36CD[ 2?5 4FCC6?E 2?5 A2DE A2E:6?ED @7 :ED AC@G:56CD 2C6 :?4=F565 :? E96 E@E2= @7 >@C6 E92? d__[___ A6@A=6]k^Am kAmvC@FA w62=E9 D2:5 :E 92D E2<6? 255:E:@?2= DE6AD E@ >:E:82E6 92C> 3J H@C<:?8 H:E9 E96 uqx 2?5 E96 &]$] rJ36CD64FC:EJ 2?5 x?7C2DECF4EFC6 $64FC:EJ p86?4J] xE 92D :?7@C>65 A@E6?E:2==J 27764E65 :?5:G:5F2=D[ DE2E6 2?5 7656C2= 286?4:6D 2?5 4@?DF>6C C6A@CE:?8 286?4:6D]k^AmkAm“%@ C65F46 E96 C:D< @7 E9:D 92AA6?:?8 282:?[ H6 92G6 :>A=6>6?E65 6?92?465 D64FC:EJ >62DFC6D 24C@DD 2== @FC DJDE6>D 2?5 ?6EH@C<D[” E96 w|~ D2:5] “%9:D :?4=F56D DEC6?8E96?:?8 6I:DE:?8 4@?EC@=D[ 52E2 324<FA[ FD6C EC2:?:?8 2?5 2H2C6?6DD[ 2?5 @E96C >62DFC6D]”k^Am kAm!6@A=6 H:E9 BF6DE:@?D 42? 42== >6>36C D6CG:46D 2E g__\e_d\cbaf] !6@A=6 H9@ E9:?< E96J >2J 92G6 366? 27764E65 3FE 5:5 ?@E C646:G6 2 ?@E:7:42E:@? =6EE6C 42? 4@?E24E k2 9C67lQ>2:=E@iAC:G24Jo894D4H]4@>Q E2C86ElQ03=2?<QmAC:G24Jo894D4H]4@>k^2m @C 42== e_g\eea\cghh]k^Am Locations Madison Be the first to know Get local news delivered to your inbox! Sign up! * I understand and agree that registration on or use of this site constitutes agreement to its user agreement and privacy policy. Related to this story Gov. Tony Evers again vetoes bill to allow advance practice nurses to work independently in Wisconsin The Wisconsin Medical Society and other doctor groups opposed the bill that would let nurse practitioners and other nurses with advanced degre… Nearly 10% of hospital jobs in Wisconsin vacant, report says Jobs most in demand are licensed practical nurses, certified registered nurse anesthetists and certified nursing assistants. With focus on personalized medicine, Wisconsin vying to be one of nation's elite tech hubs The state was named one of 31 regional tech hubs. Now it's competing to be one of five to 10 hubs that will each get up to $75 million. Doulas helping Black births in Dane County, but infant mortality still high ConnectRx Wisconsin screens pregnant women for socioeconomic needs — such as housing, food, transportation, mental health and employment — and… Watch Now: Related Video Tensions in the Strait of Hormuz drive oil prices as US and Iran both claim control US: U.S. secures access to Venezuelan oil while continuing to deport its citizens. US: U.S. secures access to Venezuelan oil while continuing to deport its citizens. Machado challenges Venezuela's 'illegitimate' interim govt over massive US oil deal Machado challenges Venezuela's 'illegitimate' interim govt over massive US oil deal Top stories for Sept. 4, 2026 Top stories for Sept. 4, 2026 Watch Now: Related Video Tensions in the Strait of Hormuz drive oil prices as US and Iran both claim control US: U.S. secures access to Venezuelan oil while continuing to deport its citizens. US: U.S. secures access to Venezuelan oil while continuing to deport its citizens. Machado challenges Venezuela's 'illegitimate' interim govt over massive US oil deal Machado challenges Venezuela's 'illegitimate' interim govt over massive US oil deal Top stories for Sept. 4, 2026 Top stories for Sept. 4, 2026
Gov. Tony Evers again vetoes bill to allow advance practice nurses to work independently in Wisconsin The Wisconsin Medical Society and other doctor groups opposed the bill that would let nurse practitioners and other nurses with advanced degre…
Nearly 10% of hospital jobs in Wisconsin vacant, report says Jobs most in demand are licensed practical nurses, certified registered nurse anesthetists and certified nursing assistants.
With focus on personalized medicine, Wisconsin vying to be one of nation's elite tech hubs The state was named one of 31 regional tech hubs. Now it's competing to be one of five to 10 hubs that will each get up to $75 million.
Doulas helping Black births in Dane County, but infant mortality still high ConnectRx Wisconsin screens pregnant women for socioeconomic needs — such as housing, food, transportation, mental health and employment — and…