Blue Star reports unauthorized access to product installation data

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BLUESTARCO · price

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Price reactionminutes from the announcement price · days from the prior close

+0.9%Reaction day

₹1822.00

prior close

₹1792.00

announcement price

After-mkt

timing

Nifty Midcap 150market · index membership as recorded later (tracked since Jun 2026)-1.1%+2.0% vs market

Household Appliances peers, median of 21sector-1.9%+2.7% vs sector

On the reaction day the stock moved 2.0 pts more than Nifty Midcap 150 and 2.7 pts more than its Household Appliances peers, over the same two closes: a difference in percentage points, not a measure of what the filing did.

Minutes after the announcementfrom the announcement price · no benchmark

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30m

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Reaction day

+0.9-1.1+2.0-1.9+2.7

Next day

-0.4+1.8-2.1+0.7-1.0

+3.4+2.4+1.0+2.7+0.7

+2.1+2.1+0.0+3.4-1.3

+2.7+2.0+0.7+3.6-0.9

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15d

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UpDownMarket · Nifty Midcap 150Sector · Household Appliances peers, median of 21Pending

Minute windows have no benchmark: there is no intraday index history to compare against.

AI summary

Blue Star Limited disclosed unauthorized access to its product installation data, noticed on January 31, 2026 at 10:30 p.m. The company immediately restricted access and engaged cyber security experts to assess the impact and conduct a root cause analysis. The disclosure has been made as a matter of good governance under SEBI Listing Regulations. The extent of data exposure and financial impact are yet to be determined.

Likely market impact

Short-term reputational risk possible; operational and financial impact unclear until the cyber probe is complete.