Incident Impact

Source register · Jul 22, 2026

Marriott International media coverage

35 qualifying articles recovered in the first 14 days after disclosure across 5 of seven publisher families.

Window336 elapsed hours
UnitOne unique article URL
Archive copies2
Research checkedJul 22, 2026

This site shows how share prices moved after an incident became public. It does not prove that the incident caused the move. Company news, sector moves and the wider market can affect every result. Educational only — not investment advice.

Article-level evidence

What was counted

Every row passed the explicit-company-name, publisher-family and 14-day-window rules. Recorded titles may be normalized from a durable URL or research ledger when the publisher page is blocked or no longer exposes its original metadata.

35 unique article URLs, ordered by publication window and publisher
#Publisher familyWindowDate evidenceFramingRecorded article titleSource
1 Bloomberg First 48 hours Nov 30, 2018 Adverse event All those starwood points you racked up at risk in marriott hack Publisher page: All those starwood points you racked up at risk in marriott hack
2 Bloomberg First 48 hours Nov 30, 2018 Adverse event Marriott found unauthorized starwood database access since 2014 jp3xbq64 Publisher page: Marriott found unauthorized starwood database access since 2014 jp3xbq64
3 Bloomberg First 48 hours Nov 30, 2018 Adverse event Marriott s 13 6 billion starwood deal also bought security risk Publisher page: Marriott s 13 6 billion starwood deal also bought security risk
4 Bloomberg First 48 hours Nov 30, 2018 Mitigation or action New york opens investigation into marriott s data breach Publisher page: New york opens investigation into marriott s data breach
5 CNBC First 48 hours Nov 30, 2018 Mitigation or action How to protect yourself after Marriott's Starwood data breach Publisher page: How to protect yourself after Marriott's Starwood data breach
6 CNBC First 48 hours Nov 30, 2018 Adverse event Marriott breach: Here's the risk of a compromised passport number Publisher page: Marriott breach: Here's the risk of a compromised passport number
7 CNBC First 48 hours Nov 30, 2018 Adverse event Marriott says its Starwood database was hacked for approximately 500 million guests Publisher page: Marriott says its Starwood database was hacked for approximately 500 million guests
8 CNBC First 48 hours Nov 30, 2018 Mitigation or action Should you freeze your credit after the Marriott data breach? Here's what the experts say Publisher page: Should you freeze your credit after the Marriott data breach? Here's what the experts say
9 CNBC First 48 hours Nov 30, 2018 Adverse event The Marriott hack that stole data from 500 million people started four years ago — investors should ask how the company missed it Publisher page: The Marriott hack that stole data from 500 million people started four years ago — investors should ask how the company missed it
10 Fox First 48 hours Nov 30, 2018 Mitigation or action After Marriott data breach, how do you protect your personal information? Publisher page: After Marriott data breach, how do you protect your personal information?
11 Fox First 48 hours Dec 1, 2018 Adverse event Espionage, ID theft? Myriad risks from stolen Marriott data Publisher page: Espionage, ID theft? Myriad risks from stolen Marriott data
12 Fox First 48 hours Nov 30, 2018 Adverse event Marriott discloses data breach that could affect up to 500M guests Publisher page: Marriott discloses data breach that could affect up to 500M guests
13 Fox First 48 hours Nov 30, 2018 Mitigation or action New York Attorney General opens investigation into Marriott data breach that may have affected 500 million guests Publisher page: New York Attorney General opens investigation into Marriott data breach that may have affected 500 million guests
14 Fox First 48 hours Nov 30, 2018 Mitigation or action So you stayed at a Starwood hotel: Tips on data breach Publisher page: So you stayed at a Starwood hotel: Tips on data breach
15 Fox First 48 hours Nov 30, 2018 Adverse event The Latest: Marriott data breach among largest Publisher page: The Latest: Marriott data breach among largest
16 Fox First 48 hours Nov 30, 2018 Descriptive The Marriott breach compared with past security breakdowns Publisher page: The Marriott breach compared with past security breakdowns
17 Reuters First 48 hours Nov 30, 2018 Adverse event Marriott's Starwood hack hits up to 500 million people Archive copy: Marriott's Starwood hack hits up to 500 million people
18 The Washington Post First 48 hours Nov 30, 2018 Adverse event Marriott discloses massive data breach affecting up to 500 million guests Publisher page: Marriott discloses massive data breach affecting up to 500 million guests
19 The Washington Post First 48 hours Dec 1, 2018 Adverse event Opinion | The Marriott data breach is a reminder that privacy concerns extend beyond tech Publisher page: Opinion | The Marriott data breach is a reminder that privacy concerns extend beyond tech
20 The Washington Post First 48 hours Nov 30, 2018 Mitigation or action What you should do after the Marriott data breach Publisher page: What you should do after the Marriott data breach
21 Fox 48–72 hours Dec 2, 2018 Mitigation or action Schumer says Marriott should pay to replace hacked passports Publisher page: Schumer says Marriott should pay to replace hacked passports
22 Bloomberg Days 4–7 Dec 6, 2018 Descriptive China is lead suspect in marriott hack reuters sources say Publisher page: China is lead suspect in marriott hack reuters sources say
23 Bloomberg Days 4–7 Dec 5, 2018 Mitigation or action Marriott cfo calls 1 billion estimate on cyber breach premature Publisher page: Marriott cfo calls 1 billion estimate on cyber breach premature
24 CNBC Days 4–7 Dec 6, 2018 Descriptive Clues in Marriott hack are said to implicate China Publisher page: Clues in Marriott hack are said to implicate China
25 Reuters Days 4–7 Dec 5, 2018 Descriptive Exclusive: Clues in Marriott hack implicate China — sources Archive copy: Exclusive: Clues in Marriott hack implicate China — sources
26 The Washington Post Days 4–7 Dec 4, 2018 Mitigation or action Marriott will pay for new passports after data breach ‘if fraud has taken place’ Publisher page: Marriott will pay for new passports after data breach ‘if fraud has taken place’
27 The Washington Post Days 4–7 Dec 3, 2018 Mitigation or action Schumer: Marriott should pay for new passports compromised by data breach Publisher page: Schumer: Marriott should pay for new passports compromised by data breach
28 Bloomberg Days 8–14 Dec 13, 2018 Adverse event Marriott hack china is greatest threat to americans privacy Publisher page: Marriott hack china is greatest threat to americans privacy
29 CNBC Days 8–14 Dec 12, 2018 Descriptive Here's what's going on with the Marriott hack, Huawei and the DOJ — and it's all related to China and trade Publisher page: Here's what's going on with the Marriott hack, Huawei and the DOJ — and it's all related to China and trade
30 CNBC Days 8–14 Dec 13, 2018 Adverse event The massive Marriott hack could be a surprising piece of ammunition in Trump's trade talks with China Publisher page: The massive Marriott hack could be a surprising piece of ammunition in Trump's trade talks with China
31 Fox Days 8–14 Dec 13, 2018 Descriptive China suspected in huge Marriott data breach, official says Publisher page: China suspected in huge Marriott data breach, official says
32 Fox Days 8–14 Dec 12, 2018 Descriptive Marriott data breach traced to Chinese hackers: Report Publisher page: Marriott data breach traced to Chinese hackers: Report
33 Fox Days 8–14 Dec 13, 2018 Descriptive The Latest: US suspects China in Marriott data breach Publisher page: The Latest: US suspects China in Marriott data breach
34 The Washington Post Days 8–14 Dec 12, 2018 Adverse event Opinion | The Marriott data breach exposes a wider, potentially more nefarious cyberthreat Publisher page: Opinion | The Marriott data breach exposes a wider, potentially more nefarious cyberthreat
35 The Washington Post Days 8–14 Dec 12, 2018 Adverse event U.S. investigators point to China in Marriott hack affecting 500 million guests Publisher page: U.S. investigators point to China in Marriott hack affecting 500 million guests

Framing is local to the headline. Descriptive, adverse-event, mitigation/action and favorable labels do not measure reader sentiment, publisher stance, blame or reputational impact.

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