Asos shares slump after hack messages
Asos shares fell 13% after users received a hack notification on its app, referencing a compromised Snowflake data instance. The company had 16.4 million active customers as of its 2026 fiscal year. Snowflake shares also dropped 3.2% in premarket trading. Neither company has commented yet.
How this was made

The 30-second read
Why it matters
The breach caused sharp price declines for both ASOS and Snowflake, reflecting investor fear of data security failures.
Market read
Both stocks experienced notable drops, indicating heightened risk perception for cloud‑dependent retailers.
What to watch
Potential insurance recoveries and the company's robust incident‑response plan may mitigate long‑term impact.
Background
A hack notification claimed to have compromised ASOS's Snowflake instance, prompting immediate market reaction.
Ticker impact
Snowflake shares fell about 3.2% in pre‑market trading after the same hack targeted its instance used by ASOS.
potential further decline if additional customers report issues.
The move is smaller than ASOS's but reflects market concern over a security incident.
Market effects
Raises broader concerns for cloud‑service and e‑commerce providers about data security.
European e‑commerce stocks may see heightened scrutiny.
Highlights systemic cyber‑risk for SaaS platforms used by retailers worldwide.
Counterpoint
If the breach is contained quickly, the sell‑off could be overblown, presenting a buying opportunity.
Key entities
- companyASOS
UK online fashion retailer listed on LSE.
- companySnowflake
US cloud data‑warehousing provider.


