Evidence quality 4.38/5
Eight-dimension review score against the quality rubric . Each dimension scored 1–5.
- D1 Source grounding
- 5/5
- D2 Source authority
- 4/5
- D3 Arithmetic
- 4/5
- D4 Uncertainty
- 4/5
- D5 Scope
- 4/5
- D6 Prose
- 5/5
- D7 Perception honesty
- 4/5
- D8 Caveat completeness
- 5/5
≈ As likely as
Perceived
Gallup does not poll data breaches specifically, but its closest proxy — identity theft — tops the annual crime-worry list. In the October 2024 wave, 69% of US adults said they worry frequently or occasionally about having their identity stolen, the highest figure on the survey. Because identity theft is overwhelmingly downstream of data breaches, the 69% figure is a reasonable proxy for breach-related anxiety. A 2023 Pew Research survey separately found that 79% of US adults expressed concern about how companies use their personal data.
Rough estimate: 69% of US adults worry about identity theft, the nearest proxy (Gallup 2024)
Actual
~3,322 data compromises in 2025, ~279 million victim notices
US individuals with data held by breached organizations
Show derivation
The ITRC's 2025 Annual Data Breach Report recorded 3,322 data compromises with 278.8 million victim notices. In 2024, the figure was 1.35 billion victim notices across 3,158 compromises (inflated by mega-breaches like Change Healthcare at 190M+ records). Using the more conservative 2025 figure, approximately 279 million victim notices were issued against a US population of ~335 million, implying ~83% of the population received at least one breach notification in a single year. However, victim notices double-count individuals affected by multiple breaches. Adjusting for overlap with a capture-recapture heuristic, the annual unique-individual exposure rate is estimated at 35–50%. Even at the conservative 35% annual rate, compounding over a 59-year adult lifetime gives 1 − (1 − 0.35)^59 ≈ effectively 1.0. Using a more moderate 5% annual probability of a first-ever exposure (for someone whose data has never been breached before — accounting for the fact that most adults are already exposed) compounded over 59 years gives 1 − (1 − 0.05)^59 ≈ 0.953. The 95% central estimate reflects the near-certainty of cumulative exposure, with the uncertainty band acknowledging definitional ambiguity around what counts as "your" data being "exposed." The lower bound was raised from 0.80 to 0.90 in the 2026-06-14 review: the ITRC's 2025 consumer survey (N=1,040) found that 80% of respondents received at least one breach notice in the past 12 months and nearly 40% received three to five — a near-universal single-year exposure rate that makes a sub-90% cumulative lifetime probability implausible. The point estimate is deliberately held at 0.95 rather than revised upward, because ITRC is a nonprofit reputable_reference rather than a government statistical agency and the slippery exposure-vs-harm distinction counsels against pushing the headline closer to 1.0.
Caveats: "Data breach exposure" is a definitionally slippery concept. A breach that leaks…
"Data breach exposure" is a definitionally slippery concept. A breach that leaks your name and email address is categorically different from one that leaks your Social Security number, medical records, or financial credentials — yet the ITRC counts them identically in its compromise tallies. The 95% lifetime figure means that virtually every adult with a digital footprint will have some data exposed at some point; it does not mean that 95% of adults will suffer financial harm from a breach. The conversion rate from exposure to actual identity theft or financial loss is much lower — the FTC received about 1.1 million identity-theft complaints in 2024, a tiny fraction of the breach-exposed population. The number is also US-centric in its normalization but the phenomenon is global; breach rates in the EU and Asia-Pacific are comparable. Finally, "victim notices" overcount unique individuals (one person receives multiple notices) and simultaneously undercount exposure (many breaches go undetected or unreported, and 70% of 2025 notices omitted attack-vector details entirely). A further wrinkle is that the headline *volume* of exposure is dominated by a handful of mega-breaches rather than the long tail of incidents. The ITRC tracked a record 3,322 compromises in 2025 — up 5% over 2024 — yet victim notices fell 79%, from 1.37 billion in 2024 to 279 million in 2025, simply because 2025 lacked any mega-breach on the scale of 2024's Change Healthcare incident. This decoupling means notice counts are a poor year-over-year proxy for individual risk: the number of breaches rose while reported exposure volume collapsed. The probability that *you* are caught up in exposure each year is near-universal and stable (the ITRC survey puts it at 80% in a single year); the raw notice total swings wildly with whether a few catastrophic breaches happened to land in that calendar year.
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Pick challenger
The question is not whether your data has been exposed in a breach. The question is how many times. The Identity Theft Resource Center tracked a record 3,322 data compromises in the United States in 2025, generating roughly 279 million victim notices. In 2024, the figure was 1.37 billion notices — more than four per American — inflated by mega-breaches like the Change Healthcare incident that alone exposed over 190 million records. Healthcare data alone has been breached at a volume exceeding 2.6 times the US population since 2009. Compounding even a conservative annual first-exposure rate over a 59-year adult lifetime pushes the cumulative probability to roughly 95%, which is a polite way of saying near-certainty.
What makes data-breach risk unusual among Likelier entries is that it inverts the normal fear-vs-reality pattern. Most fears on this site are overestimated. Data-breach exposure is, if anything, underestimated — not because people think it is rare, but because they rarely compute the cumulative arithmetic. A 35-year-old American in 2026 has lived through the Equifax breach (147 million records), the Yahoo breach (3 billion accounts), the Change Healthcare breach, and thousands of smaller incidents. The probability that none of their personal data appeared in any of those events is negligible. The emotional disconnect is that “exposure” feels abstract until it converts into identity theft or financial loss, which happens to a much smaller fraction.
The important caveat is that “exposure” is not “harm.” The ITRC’s victim-notice count treats a leaked email address the same as a leaked Social Security number. Most breached records never result in measurable financial damage to the individual. The FTC received about 1.1 million identity-theft complaints in 2024 — less than 0.1% of the breach-notification volume. So while the probability of data exposure approaches 1, the probability of consequential harm from any given breach remains low. The risk is cumulative and combinatorial: each additional exposure adds another data point that can be cross-referenced against previous leaks, gradually assembling a more complete profile that is more useful to a motivated attacker.
Related tidbits
Roughly 95% cumulative probability over an adult lifetime that your personal data is exposed in a breach. In 2025 alone there were about 3,322 data compromises and around 279 million victim notices.
Claim ledger
Every number below is what each source reported, with the verbatim quote we relied on and how we arrived at our figure. Click any link to verify directly.
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[1] Identity Theft Resource Center — Identity Theft Resource Center 2025 Annual Data Breach Report
Identity Theft Resource Center 2025 Annual Data Breach Report- Statistic
3,322 data compromises in 2025 with 278,827,933 victim notices; 5% increase in compromises over 2024; record number of tracked compromises- Excerpt
“"The ITRC tracked a record 3,322 data compromises in 2025, a 5% increase over 2024. The number of victim notices was 278,827,933, a 79% decrease from 2024's 1,367,117,021, due to the absence of mega-breaches on the scale of Change Healthcare." ”
- Source data from
- 2026-01-29
- Accessed
- 2026-04-12 · archived copy
- Calculation
- The 278.8 million victim notices in 2025 divided by ~335 million US population yields ~0.83 notices per person. But notices are not unique individuals — one person can receive multiple breach notifications. The ITRC notes that 70% of 2025 breach notices did not include attack-vector information, further complicating deduplication. The 2024 figure of 1.37 billion victim notices (driven by Change Healthcare's 190M+ exposure) illustrates how a single mega-breach can exceed the entire US population in notice count. For lifetime normalization, we use the conservative annual unique-individual rate of ~5% first-time exposure compounded over 59 years. Note: the ITRC is a 501(c)(3) nonprofit, not a government statistical agency; its breach counts rely on voluntary and regulatory disclosures rather than a census-grade collection mandate. No federal agency publishes a comparable all-sector breach tally, so ITRC is the best available source but carries the authority gap inherent in non-governmental data aggregation.
- Independence
- ITRC compiles breach data from state attorney general notifications, SEC filings, and federal regulatory disclosures. It is independent of the FTC's Consumer Sentinel Network, which tracks consumer complaints rather than breach disclosures.
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[2] Identity Theft Resource Center (via PR Newswire) — ITRC 2025 Annual Data Breach Report consumer survey (N=1,040)
ITRC 2025 Annual Data Breach Report consumer survey (N=1,040)- Statistic
In an ITRC consumer survey of 1,040 US adults, 80% reported receiving at least one data breach notice in the past 12 months and nearly 40% received three to five separate notices in the past year- Excerpt
“"As part of the 20th anniversary of the Data Breach Report, the ITRC asked 1,040 consumers if they had received a data breach notice in the past 12 months. The survey reveals that data breaches are a near-universal experience for consumers, with 80 percent of respondents having received a data breach notice in the last 12 months. Nearly 40 percent of people responding to the survey received three to five separate notices in the past year." ”
- Source data from
- 2026-01-29
- Accessed
- 2026-06-14 · archived copy
- Calculation
- This is the first direct, individual-level measurement of annual breach-notice incidence cited in this entry — prior figures were aggregate notice counts (which double-count individuals). An 80% one-year notice rate confirms empirically what the per-capita notice arithmetic only implied: annual breach exposure is near-universal for US adults with a digital footprint. Applied here as corroboration that tightens the lower bound of the lifetime uncertainty band — if 80% are notified in a single year, a sub-90% cumulative lifetime probability is no longer plausible. The point estimate is held at 0.95 rather than revised upward, because ITRC is a 501(c)(3) nonprofit reputable_reference, not a government statistical agency, and a revise of the headline number is reserved for official-agency updates. Survey caveat: self-reported recall over a 12-month window may overstate (notice fatigue conflating spam with real notices) or understate (forgotten or unopened notices) the true rate.
- Independence
- This is the consumer-survey component of the same ITRC 2025 report whose breach counts are cited above; it is a methodologically distinct instrument (a polled sample of individuals) rather than the aggregate breach-notice tally, so it corroborates rather than restates the count-based figure.
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[3] Verizon Business — 2024 Data Breach Investigations Report (DBIR)
2024 Data Breach Investigations Report (DBIR)- Statistic
Verizon DBIR 2024 analyzed 30,458 security incidents and 10,626 confirmed breaches across 94 countries, confirming that the majority of breaches involve stolen credentials or human error rather than sophisticated attacks- Excerpt
“"This year's dataset includes 30,458 real-world security incidents, of which 10,626 (about one-third) were confirmed data breaches. 68 percent of breaches involved a non-malicious human element, such as a person falling victim to a social engineering attack or making an error." ”
- Source data from
- 2024-05-01
- Accessed
- 2026-04-16 · archived copy
- Calculation
- Verizon DBIR does not publish a per-individual "exposure probability" — its unit of analysis is the incident/breach, not the person. Used here as a corroborating source for the claim that breaches are common, widely distributed, and driven by credential/phishing vectors rather than targeted attacks on individuals. This shifts the entry's framing from "probability of being a specific victim" to "probability of being swept up in aggregate exposure."
- Independence
- Verizon DBIR aggregates incident data from ~100 contributing organizations (forensic firms, CSIRTs, law enforcement including US Secret Service). This is methodologically independent of ITRC's public-breach-notice tracking, which counts disclosed consumer breaches rather than investigated incidents.
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[4] Identity Theft Resource Center — ITRC 2024 Annual Data Breach Report
ITRC 2024 Annual Data Breach Report- Statistic
3,158 data compromises in 2024 with 1,728,519,397 victim notices; 1.7 billion individuals' data compromised- Excerpt
“"The number of data breach notices issued in 2024 (1,728,519,397) increased 312 percent from 2023 (419,337,446)... In 2024, six data breaches were reported that each involved more than 100 million records. More than 1.7 billion individuals had personal data compromised in 2024, and there were 3,158 data compromises." ”
- Source data from
- 2025-01-29
- Accessed
- 2026-04-12 · archived copy
- Calculation
- The 2024 figure of 1.37 billion victim notices against a US population of ~335 million means the average American received roughly 4 breach notifications in a single year. This is consistent with the cumulative-near-certainty thesis: if breach exposure is this frequent in a single year, the probability of never being exposed over a full adult lifetime approaches zero. The 2024 figure is inflated by outlier mega-breaches and should not be used as a stable annual rate, which is why the 2025 figure is preferred for the central estimate.
- Independence
- The 2024 Annual Data Breach Report is the prior-year edition from the same ITRC methodology; included for the 72% year-over-year record count rather than as an independent estimate.
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[5] HIPAA Journal — Healthcare Data Breach Statistics
Healthcare Data Breach Statistics- Statistic
7,357 healthcare data breaches affecting 935.5 million records between 2009 and 2025 — more than 2.6x the US population- Excerpt
“"Between 2009 and 2025, 7,357 healthcare data breaches of 500 or more records have been reported to the HHS Office for Civil Rights, resulting in the exposure of more than 935,521,931 healthcare records — more than 2.6 times the population of the United States." ”
- Source data from
- 2026-03-15
- Accessed
- 2026-04-12 · archived copy
- Calculation
- Healthcare alone has exposed records equivalent to 2.6x the US population over 16 years. Even with substantial deduplication (same person, multiple breaches), this implies the vast majority of Americans with any healthcare history have had protected health information exposed at least once. Healthcare is one sector among many — financial services, retail, government, and education add further exposure. Used as corroborating evidence for the near-certainty cumulative estimate, not as the primary source.
- Independence
- HIPAA Journal tracks breaches reported to the HHS Office for Civil Rights under the HIPAA Breach Notification Rule. This is a regulatory pipeline entirely independent of the ITRC's state-AG-based tracking.
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[6] Federal Trade Commission (FTC) — Equifax to Pay $575 Million as Part of Settlement with FTC, CFPB, and States Related to 2017 Data Breach
Equifax to Pay $575 Million as Part of Settlement with FTC, CFPB, and States Related to 2017 Data Breach- Statistic
The 2017 Equifax data breach exposed approximately 147 million US consumers' sensitive personal information, including Social Security numbers, names, addresses, and dates of birth- Excerpt
“"In September of 2017, Equifax, a nationwide credit reporting company headquartered in Atlanta, Georgia, announced that a data breach at the company resulted in the exposure of approximately 147 million U.S. consumers' sensitive personal information, including names, addresses, social security numbers, and dates of birth." ”
- Source data from
- 2019-07-22
- Accessed
- 2026-07-03 · archived copy
- Calculation
- Cited in the body prose as a concrete, named illustration of the cumulative-exposure argument — a typical American adult has very likely had some personal data exposed in at least one major named breach. Not used in the lifetime-probability arithmetic itself, which relies on the ITRC annual victim-notice figures above; included only to ground the specific "Equifax breach (147 million records)" reference in the body text.
- Independence
- FTC/CFPB regulatory settlement documentation, independent of the ITRC's breach-notice tracking and of Verizon's DBIR incident dataset.
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[7] Wikipedia — Yahoo data breaches
Yahoo data breaches- Statistic
Yahoo's 2013 breach, initially disclosed in December 2016 as affecting 1 billion accounts, was revised in October 2017 to confirm all 3 billion Yahoo accounts existing at the time were compromised- Excerpt
“"Almost a year later, in October 2017 they revised that estimate and reported that all three billion Yahoo accounts had been compromised in the breach." ”
- Source data from
- 2017-10-03
- Accessed
- 2026-07-03 · archived copy
- Calculation
- Cited in the body prose alongside Equifax as a second concrete named mega-breach illustrating cumulative lifetime exposure. Not used in the lifetime-probability arithmetic. Grounds the "Yahoo breach (3 billion accounts)" reference in the body text; the 3-billion revision is corroborated by contemporaneous reporting (e.g. the Wall Street Journal's October 3, 2017 story "Yahoo Triples Estimate of Breached Accounts to 3 Billion," cited in this Wikipedia article's references) and Yahoo/Verizon's own SEC disclosures.
- Independence
- Tertiary compilation source; the underlying disclosure is Yahoo's own 2017 SEC filings and contemporaneous news reporting. Included only as corroboration for a widely reported, uncontested figure not itself covered by this entry's other four sources.
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[8] Federal Trade Commission (FTC) — Consumer Sentinel Network Data Book 2024
Consumer Sentinel Network Data Book 2024See all 4 Likelier entries citing this source →
- Statistic
FTC Consumer Sentinel Network received 6.5 million consumer reports in 2024; identity theft was the largest single category at approximately 1.1 million reports, about 17% of all reports- Excerpt
“"During 2024, Sentinel received 6.5 million consumer reports, which the FTC has sorted into 29 top categories. ... In 2024, there were more than 1.1 million reports of identity theft received through the FTC's IdentityTheft.gov website." ”
- Source data from
- 2025-03-01
- Accessed
- 2026-07-03 · archived copy
- Calculation
- Grounds the body prose's and caveats' "the FTC received about 1.1 million identity-theft complaints in 2024" reference (which previously named the FTC without a citation). Both figures are now quoted verbatim in the excerpt above: the 6.5-million-report total and the >1.1-million identity-theft figure, the latter the FTC's largest single Sentinel category (~1.1M / 6.5M ≈ 17% of all reports). Not used in this entry's headline lifetime-probability arithmetic, which relies on the ITRC breach-notice figures above; included only to ground the specific FTC identity-theft-complaint figure used in the body prose to distinguish "exposure" from "harm."
- Independence
- FTC Consumer Sentinel Network is a distinct federal consumer-complaint intake pipeline, independent of the ITRC's breach-notice tracking and Verizon's incident-investigation dataset used elsewhere in this entry.