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1. [1] Identity Theft Resource Center — Identity Theft Resource Center 2025 Annual Data Breach Report Nguồn tham khảo

   Identity Theft Resource Center 2025 Annual Data Breach Report

   Thống kê

   3,322 data compromises in 2025 with 278,827,933 victim notices; 5% increase in compromises over 2024; record number of tracked compromises

   Trích đoạn

   “"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." ”

   Dữ liệu nguồn từ

   2026-01-29

   Truy cập

   2026-04-12 · bản sao lưu trữ

   Tính toán

   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.

   Độc lập

   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.

2. [2] Identity Theft Resource Center (via PR Newswire) — ITRC 2025 Annual Data Breach Report consumer survey (N=1,040) Nguồn tham khảo

   ITRC 2025 Annual Data Breach Report consumer survey (N=1,040)

   Thống kê

   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

   Trích đoạn

   “"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." ”

   Dữ liệu nguồn từ

   2026-01-29

   Truy cập

   2026-06-14 · bản sao lưu trữ

   Tính toán

   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.

   Độc lập

   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.

3. [3] Verizon Business — 2024 Data Breach Investigations Report (DBIR) Nguồn tham khảo

   2024 Data Breach Investigations Report (DBIR)

   Thống kê

   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

   Trích đoạn

   “"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." ”

   Dữ liệu nguồn từ

   2024-05-01

   Truy cập

   2026-04-16 · bản sao lưu trữ

   Tính toán

   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."

   Độc lập

   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.

4. [4] Identity Theft Resource Center — ITRC 2024 Annual Data Breach Report Nguồn tham khảo

   ITRC 2024 Annual Data Breach Report

   Thống kê

   3,158 data compromises in 2024 with 1,728,519,397 victim notices; 1.7 billion individuals' data compromised

   Trích đoạn

   “"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." ”

   Dữ liệu nguồn từ

   2025-01-29

   Truy cập

   2026-04-12 · bản sao lưu trữ

   Tính toán

   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.

   Độc lập

   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.

5. [5] HIPAA Journal — Healthcare Data Breach Statistics Nguồn tham khảo

   Healthcare Data Breach Statistics

   Thống kê

   7,357 healthcare data breaches affecting 935.5 million records between 2009 and 2025 — more than 2.6x the US population

   Trích đoạn

   “"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." ”

   Dữ liệu nguồn từ

   2026-03-15

   Truy cập

   2026-04-12 · bản sao lưu trữ

   Tính toán

   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.

   Độc lập

   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.

6. [6] Federal Trade Commission (FTC) — Equifax to Pay $575 Million as Part of Settlement with FTC, CFPB, and States Related to 2017 Data Breach Báo cáo chính phủ

   Equifax to Pay $575 Million as Part of Settlement with FTC, CFPB, and States Related to 2017 Data Breach

   Thống kê

   The 2017 Equifax data breach exposed approximately 147 million US consumers' sensitive personal information, including Social Security numbers, names, addresses, and dates of birth

   Trích đoạn

   “"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." ”

   Dữ liệu nguồn từ

   2019-07-22

   Truy cập

   2026-07-03 · bản sao lưu trữ

   Tính toán

   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.

   Độc lập

   FTC/CFPB regulatory settlement documentation, independent of the ITRC's breach-notice tracking and of Verizon's DBIR incident dataset.

7. [7] Wikipedia — Yahoo data breaches Bách khoa toàn thư

   Yahoo data breaches

   Thống kê

   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

   Trích đoạn

   “"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." ”

   Dữ liệu nguồn từ

   2017-10-03

   Truy cập

   2026-07-03 · bản sao lưu trữ

   Tính toán

   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.

   Độc lập

   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.

8. [8] Federal Trade Commission (FTC) — Consumer Sentinel Network Data Book 2024 ↗ 3 other entries Báo cáo chính phủ

   Consumer Sentinel Network Data Book 2024

   See all 4 Likelier entries citing this source →

   Thống kê

   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

   Trích đoạn

   “"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." ”

   Dữ liệu nguồn từ

   2025-03-01

   Truy cập

   2026-07-03 · bản sao lưu trữ

   Tính toán

   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."

   Độc lập

   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.