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The gist
H&M is investigating online claims that hackers breached its data; shares fell about 1.4% in Stockholm.
The scare follows an ASOS breach, spotlighting retail exposure via third-party access.
How it unfolded
- Oct 12, 2026H&M said it is investigating claims of a possible cyberattack after allegations that hackers linked to the ASOS breach had also targeted the Swedish clothing giant.
- Oct 12, 2026H&M shares fell approximately 1.4% in Stockholm trading on Monday.
- Oct 12, 2026Security Magazine reported H&M Group is investigating claims that it was attacked by the cybercriminal group ShinyHunters.