GITNUXREPORT 2026

Insider Threat Statistics

Insider threats are rising and cause expensive data breaches for many organizations.

Gitnux Team

Expert team of market researchers and data analysts.

First published: Feb 13, 2026

Our Commitment to Accuracy

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Key Statistics

Statistic 1

Ponemon 2022 Cost of Insider Threats reports average cost per incident at $4.35 million for malicious insiders.

Statistic 2

IBM 2023: Insider threat breaches cost $4.88 million on average, 10% higher than others.

Statistic 3

Verizon DBIR 2023: Financial loss from insider breaches averaged $4.9 million.

Statistic 4

CrowdStrike 2023: Negligent insider incidents cost $1.2 million each on average.

Statistic 5

Proofpoint 2023: Total global cost of insider threats exceeds $20 billion annually.

Statistic 6

Gartner 2022: Remediation costs for insider breaches at 25% of IT budget.

Statistic 7

SANS 2023: Malicious insider theft costs $5.2 million per event.

Statistic 8

Deloitte 2023: Productivity loss from insider incidents at $1.8 million average.

Statistic 9

Cybereason 2022: Credential compromise costs $3.7 million.

Statistic 10

Microsoft 2023: Data exfiltration by insiders costs $6.1 million.

Statistic 11

Splunk 2023: Investigation costs for insiders average $450,000.

Statistic 12

Fortinet 2023: Ransomware enabled by insiders costs $4.5 million.

Statistic 13

CERT 2022: Espionage insider costs exceed $10 million per case.

Statistic 14

KPMG 2023: Third-party insider breaches cost $3.9 million.

Statistic 15

Accenture 2023: Regulatory fines from insiders at $2.1 million average.

Statistic 16

NIST 2022: Indirect costs like reputation damage at 40% of total.

Statistic 17

CISA 2023: Cleanup costs for insider sabotage $2.8 million.

Statistic 18

PwC 2023: Supply chain insider costs $5.4 million.

Statistic 19

McAfee 2023: IP theft by insiders averages $4.2 million loss.

Statistic 20

Trend Micro 2023: Notification costs post-insider breach $1.5 million.

Statistic 21

Ponemon 2022: Only 42% of insider threats are detected within 24 hours.

Statistic 22

IBM 2023: Mean time to identify insider breaches is 277 days.

Statistic 23

Verizon DBIR 2023: 83% of insider threats go undetected for months.

Statistic 24

CrowdStrike 2023: UEBA tools detect only 31% of insider anomalies.

Statistic 25

Proofpoint 2023: 67% of organizations lack insider threat detection programs.

Statistic 26

Gartner 2022: False positives in insider detection average 45%.

Statistic 27

SANS 2023: Behavioral analytics identifies 28% of threats early.

Statistic 28

Deloitte 2023: AI-based detection success rate at 52%.

Statistic 29

Cybereason 2022: 55% of insider threats require manual investigation.

Statistic 30

Microsoft 2023: Cloud logs detect 39% of insider activities.

Statistic 31

Splunk 2023: SIEM alerts for insiders effective in 26% cases.

Statistic 32

Fortinet 2023: Network monitoring catches 34% of data exfiltration.

Statistic 33

CERT 2022: Insider detection maturity low in 71% of orgs.

Statistic 34

KPMG 2023: Forensic analysis needed in 48% of detections.

Statistic 35

Accenture 2023: User monitoring tools in use by 43%.

Statistic 36

NIST 2022: Dwell time for insiders averages 90 days.

Statistic 37

CISA 2023: 62% fail to detect privilege escalations.

Statistic 38

PwC 2023: Endpoint detection identifies 29% of insider threats.

Statistic 39

McAfee 2023: Anomaly detection rate 35% for insiders.

Statistic 40

Trend Micro 2023: Response time post-detection averages 45 days.

Statistic 41

Organizations with insider threat programs reduce incidents by 52% per Ponemon 2022.

Statistic 42

IBM 2023: Zero trust architecture cuts insider costs by 28%.

Statistic 43

Verizon DBIR 2023: Training reduces negligent insiders by 37%.

Statistic 44

CrowdStrike 2023: MFA prevents 99% of insider credential abuse.

Statistic 45

Proofpoint 2023: DLP tools block 67% of data exfiltration attempts.

Statistic 46

Gartner 2022: UEBA adoption lowers detection time by 50%.

Statistic 47

SANS 2023: Least privilege cuts risks by 44%.

Statistic 48

Deloitte 2023: AI monitoring reduces incidents by 41%.

Statistic 49

Cybereason 2022: Behavioral training effectiveness at 60%.

Statistic 50

Microsoft 2023: Just-in-time access lowers risks by 35%.

Statistic 51

Splunk 2023: Automated response reduces impact by 55%.

Statistic 52

Fortinet 2023: Segmentation prevents lateral movement in 78% cases.

Statistic 53

CERT 2022: Insider programs improve maturity scores by 62%.

Statistic 54

KPMG 2023: Vendor risk management cuts third-party threats by 39%.

Statistic 55

Accenture 2023: Continuous monitoring efficacy at 57%.

Statistic 56

NIST 2022: Policy enforcement reduces violations by 49%.

Statistic 57

CISA 2023: Awareness campaigns lower negligence by 33%.

Statistic 58

PwC 2023: Encryption protects 72% of sensitive data from insiders.

Statistic 59

McAfee 2023: Incident response plans effective in 68% of insider cases.

Statistic 60

Trend Micro 2023: Offboarding processes prevent 81% of ex-employee leaks.

Statistic 61

In 2023, insider threats accounted for 19% of all data breaches analyzed in the Verizon DBIR, marking a 3% increase from 2022.

Statistic 62

Ponemon Institute's 2022 Cost of Insider Threats Global Report found that 75% of organizations experienced at least one insider threat incident in the past year.

Statistic 63

IBM's 2023 Cost of a Data Breach Report states that insider threats caused 23% of breaches, up from 19% in 2021.

Statistic 64

CrowdStrike's 2023 Global Threat Report indicates that 62% of organizations faced insider threat attempts quarterly.

Statistic 65

Proofpoint's 2023 Human Factor Report reveals that 17% of malware incidents were due to insider actions.

Statistic 66

According to a 2022 Gartner survey, 41% of cybersecurity leaders reported insider threats as their top concern.

Statistic 67

The 2023 SANS Insider Threat Survey found that 56% of respondents had detected insider incidents in the last 12 months.

Statistic 68

Deloitte's 2023 Future of Cyber Survey noted 34% of firms experienced insider-related breaches.

Statistic 69

Cybereason's 2022 Insider Threat Report showed 87% of IT pros believe insider threats are increasing.

Statistic 70

Microsoft's 2023 Digital Defense Report highlighted that 25% of cloud breaches involved compromised insider credentials.

Statistic 71

Splunk's 2023 State of Security Report indicated 28% of security events stemmed from insiders.

Statistic 72

Fortinet's 2023 Threat Landscape Report found insider threats in 22% of investigated incidents.

Statistic 73

The 2022 Insider Threat Metrics Report by CERT Division at SEI/CMU reported an average of 1.3 insider incidents per organization annually.

Statistic 74

KPMG's 2023 Cyber Threat Intelligence Report stated 39% of breaches involved insiders.

Statistic 75

Accenture's 2023 Cyber Threat Report noted a 15% rise in insider incidents year-over-year.

Statistic 76

NIST's 2022 Insider Threat Guide cited studies showing insiders in 30% of cyber espionage cases.

Statistic 77

CISA's 2023 Insider Threat Awareness noted 50% of organizations unprepared for insider risks.

Statistic 78

PwC's 2023 Global Digital Trust Insights reported 26% insider involvement in supply chain attacks.

Statistic 79

McAfee's 2023 Threats Report found 18% of data exfiltration from insiders.

Statistic 80

Trend Micro's 2023 Cyber Risk Report indicated 24% of ransomware incidents enabled by insiders.

Statistic 81

In the Types category, 34% of insider threats are negligent insiders per Verizon DBIR 2023.

Statistic 82

Ponemon 2022 found 56% of insider incidents due to careless employees.

Statistic 83

IBM 2023 report shows malicious insiders at 11% of threat actors.

Statistic 84

CrowdStrike 2023 notes compromised credentials as 40% of insider threat vectors.

Statistic 85

Proofpoint 2023 identifies phishing susceptibility in 29% of insider cases.

Statistic 86

Gartner 2022 survey: Financial gain motivates 27% of malicious insiders.

Statistic 87

SANS 2023: Revenge drives 15% of insider threat actions.

Statistic 88

Deloitte 2023: Contractors represent 22% of insider threat perpetrators.

Statistic 89

Cybereason 2022: Privilege abuse in 38% of insider incidents.

Statistic 90

Microsoft 2023: Departing employees cause 19% of insider data leaks.

Statistic 91

Splunk 2023: Accidental exposure by IT staff at 25%.

Statistic 92

Fortinet 2023: Espionage insiders at 12% of cases.

Statistic 93

CERT 2022: Sabotage by disgruntled employees in 8%.

Statistic 94

KPMG 2023: Third-party vendors in 31% of insider threats.

Statistic 95

Accenture 2023: Ideological motivations in 9%.

Statistic 96

NIST 2022: Unintentional policy violations at 52%.

Statistic 97

CISA 2023: Remote workers' errors at 37%.

Statistic 98

PwC 2023: Supply chain insiders at 14%.

Statistic 99

McAfee 2023: Malware planting by insiders 16%.

Statistic 100

Trend Micro 2023: Data hoarding by 21% of insiders.

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Picture an army marching confidently against external hackers, unaware that a quarter of its own soldiers are secretly undermining the fort from within.

Key Takeaways

  • In 2023, insider threats accounted for 19% of all data breaches analyzed in the Verizon DBIR, marking a 3% increase from 2022.
  • Ponemon Institute's 2022 Cost of Insider Threats Global Report found that 75% of organizations experienced at least one insider threat incident in the past year.
  • IBM's 2023 Cost of a Data Breach Report states that insider threats caused 23% of breaches, up from 19% in 2021.
  • In the Types category, 34% of insider threats are negligent insiders per Verizon DBIR 2023.
  • Ponemon 2022 found 56% of insider incidents due to careless employees.
  • IBM 2023 report shows malicious insiders at 11% of threat actors.
  • Ponemon 2022 Cost of Insider Threats reports average cost per incident at $4.35 million for malicious insiders.
  • IBM 2023: Insider threat breaches cost $4.88 million on average, 10% higher than others.
  • Verizon DBIR 2023: Financial loss from insider breaches averaged $4.9 million.
  • Ponemon 2022: Only 42% of insider threats are detected within 24 hours.
  • IBM 2023: Mean time to identify insider breaches is 277 days.
  • Verizon DBIR 2023: 83% of insider threats go undetected for months.
  • Organizations with insider threat programs reduce incidents by 52% per Ponemon 2022.
  • IBM 2023: Zero trust architecture cuts insider costs by 28%.
  • Verizon DBIR 2023: Training reduces negligent insiders by 37%.

Insider threats are rising and cause expensive data breaches for many organizations.

Costs

  • Ponemon 2022 Cost of Insider Threats reports average cost per incident at $4.35 million for malicious insiders.
  • IBM 2023: Insider threat breaches cost $4.88 million on average, 10% higher than others.
  • Verizon DBIR 2023: Financial loss from insider breaches averaged $4.9 million.
  • CrowdStrike 2023: Negligent insider incidents cost $1.2 million each on average.
  • Proofpoint 2023: Total global cost of insider threats exceeds $20 billion annually.
  • Gartner 2022: Remediation costs for insider breaches at 25% of IT budget.
  • SANS 2023: Malicious insider theft costs $5.2 million per event.
  • Deloitte 2023: Productivity loss from insider incidents at $1.8 million average.
  • Cybereason 2022: Credential compromise costs $3.7 million.
  • Microsoft 2023: Data exfiltration by insiders costs $6.1 million.
  • Splunk 2023: Investigation costs for insiders average $450,000.
  • Fortinet 2023: Ransomware enabled by insiders costs $4.5 million.
  • CERT 2022: Espionage insider costs exceed $10 million per case.
  • KPMG 2023: Third-party insider breaches cost $3.9 million.
  • Accenture 2023: Regulatory fines from insiders at $2.1 million average.
  • NIST 2022: Indirect costs like reputation damage at 40% of total.
  • CISA 2023: Cleanup costs for insider sabotage $2.8 million.
  • PwC 2023: Supply chain insider costs $5.4 million.
  • McAfee 2023: IP theft by insiders averages $4.2 million loss.
  • Trend Micro 2023: Notification costs post-insider breach $1.5 million.

Costs Interpretation

It appears the biggest threat to a company's wallet isn't lurking outside the firewall, but is already on the payroll, sipping coffee in the break room.

Detection

  • Ponemon 2022: Only 42% of insider threats are detected within 24 hours.
  • IBM 2023: Mean time to identify insider breaches is 277 days.
  • Verizon DBIR 2023: 83% of insider threats go undetected for months.
  • CrowdStrike 2023: UEBA tools detect only 31% of insider anomalies.
  • Proofpoint 2023: 67% of organizations lack insider threat detection programs.
  • Gartner 2022: False positives in insider detection average 45%.
  • SANS 2023: Behavioral analytics identifies 28% of threats early.
  • Deloitte 2023: AI-based detection success rate at 52%.
  • Cybereason 2022: 55% of insider threats require manual investigation.
  • Microsoft 2023: Cloud logs detect 39% of insider activities.
  • Splunk 2023: SIEM alerts for insiders effective in 26% cases.
  • Fortinet 2023: Network monitoring catches 34% of data exfiltration.
  • CERT 2022: Insider detection maturity low in 71% of orgs.
  • KPMG 2023: Forensic analysis needed in 48% of detections.
  • Accenture 2023: User monitoring tools in use by 43%.
  • NIST 2022: Dwell time for insiders averages 90 days.
  • CISA 2023: 62% fail to detect privilege escalations.
  • PwC 2023: Endpoint detection identifies 29% of insider threats.
  • McAfee 2023: Anomaly detection rate 35% for insiders.
  • Trend Micro 2023: Response time post-detection averages 45 days.

Detection Interpretation

Collectively, these statistics paint a bleak portrait of an insider threat landscape where organizations are largely fumbling in the dark, with detection tools being underwhelmingly blunt instruments and most nefarious activities enjoying a cozy, months-long head start before anyone stumbles upon the evidence.

Mitigation

  • Organizations with insider threat programs reduce incidents by 52% per Ponemon 2022.
  • IBM 2023: Zero trust architecture cuts insider costs by 28%.
  • Verizon DBIR 2023: Training reduces negligent insiders by 37%.
  • CrowdStrike 2023: MFA prevents 99% of insider credential abuse.
  • Proofpoint 2023: DLP tools block 67% of data exfiltration attempts.
  • Gartner 2022: UEBA adoption lowers detection time by 50%.
  • SANS 2023: Least privilege cuts risks by 44%.
  • Deloitte 2023: AI monitoring reduces incidents by 41%.
  • Cybereason 2022: Behavioral training effectiveness at 60%.
  • Microsoft 2023: Just-in-time access lowers risks by 35%.
  • Splunk 2023: Automated response reduces impact by 55%.
  • Fortinet 2023: Segmentation prevents lateral movement in 78% cases.
  • CERT 2022: Insider programs improve maturity scores by 62%.
  • KPMG 2023: Vendor risk management cuts third-party threats by 39%.
  • Accenture 2023: Continuous monitoring efficacy at 57%.
  • NIST 2022: Policy enforcement reduces violations by 49%.
  • CISA 2023: Awareness campaigns lower negligence by 33%.
  • PwC 2023: Encryption protects 72% of sensitive data from insiders.
  • McAfee 2023: Incident response plans effective in 68% of insider cases.
  • Trend Micro 2023: Offboarding processes prevent 81% of ex-employee leaks.

Mitigation Interpretation

If you combine a zero-trust mindset with continuous monitoring, least privilege, and a dose of common-sense training, you can almost cut your insider threat worries in half, but you'll still need to watch for that one person who thinks their ex-employee farewell gift is your entire customer database.

Prevalence

  • In 2023, insider threats accounted for 19% of all data breaches analyzed in the Verizon DBIR, marking a 3% increase from 2022.
  • Ponemon Institute's 2022 Cost of Insider Threats Global Report found that 75% of organizations experienced at least one insider threat incident in the past year.
  • IBM's 2023 Cost of a Data Breach Report states that insider threats caused 23% of breaches, up from 19% in 2021.
  • CrowdStrike's 2023 Global Threat Report indicates that 62% of organizations faced insider threat attempts quarterly.
  • Proofpoint's 2023 Human Factor Report reveals that 17% of malware incidents were due to insider actions.
  • According to a 2022 Gartner survey, 41% of cybersecurity leaders reported insider threats as their top concern.
  • The 2023 SANS Insider Threat Survey found that 56% of respondents had detected insider incidents in the last 12 months.
  • Deloitte's 2023 Future of Cyber Survey noted 34% of firms experienced insider-related breaches.
  • Cybereason's 2022 Insider Threat Report showed 87% of IT pros believe insider threats are increasing.
  • Microsoft's 2023 Digital Defense Report highlighted that 25% of cloud breaches involved compromised insider credentials.
  • Splunk's 2023 State of Security Report indicated 28% of security events stemmed from insiders.
  • Fortinet's 2023 Threat Landscape Report found insider threats in 22% of investigated incidents.
  • The 2022 Insider Threat Metrics Report by CERT Division at SEI/CMU reported an average of 1.3 insider incidents per organization annually.
  • KPMG's 2023 Cyber Threat Intelligence Report stated 39% of breaches involved insiders.
  • Accenture's 2023 Cyber Threat Report noted a 15% rise in insider incidents year-over-year.
  • NIST's 2022 Insider Threat Guide cited studies showing insiders in 30% of cyber espionage cases.
  • CISA's 2023 Insider Threat Awareness noted 50% of organizations unprepared for insider risks.
  • PwC's 2023 Global Digital Trust Insights reported 26% insider involvement in supply chain attacks.
  • McAfee's 2023 Threats Report found 18% of data exfiltration from insiders.
  • Trend Micro's 2023 Cyber Risk Report indicated 24% of ransomware incidents enabled by insiders.

Prevalence Interpretation

A quarter of the wolves may now be inside the fence, and if the flock isn't paying attention, they'll be fleeced while the gate is still locked.

Types

  • In the Types category, 34% of insider threats are negligent insiders per Verizon DBIR 2023.
  • Ponemon 2022 found 56% of insider incidents due to careless employees.
  • IBM 2023 report shows malicious insiders at 11% of threat actors.
  • CrowdStrike 2023 notes compromised credentials as 40% of insider threat vectors.
  • Proofpoint 2023 identifies phishing susceptibility in 29% of insider cases.
  • Gartner 2022 survey: Financial gain motivates 27% of malicious insiders.
  • SANS 2023: Revenge drives 15% of insider threat actions.
  • Deloitte 2023: Contractors represent 22% of insider threat perpetrators.
  • Cybereason 2022: Privilege abuse in 38% of insider incidents.
  • Microsoft 2023: Departing employees cause 19% of insider data leaks.
  • Splunk 2023: Accidental exposure by IT staff at 25%.
  • Fortinet 2023: Espionage insiders at 12% of cases.
  • CERT 2022: Sabotage by disgruntled employees in 8%.
  • KPMG 2023: Third-party vendors in 31% of insider threats.
  • Accenture 2023: Ideological motivations in 9%.
  • NIST 2022: Unintentional policy violations at 52%.
  • CISA 2023: Remote workers' errors at 37%.
  • PwC 2023: Supply chain insiders at 14%.
  • McAfee 2023: Malware planting by insiders 16%.
  • Trend Micro 2023: Data hoarding by 21% of insiders.

Types Interpretation

While the nefarious insider plots dramatic revenge for a slight or profit, the far more common and costly reality is a workforce stumbling into digital potholes, where a misclick, a careless contractor, or a phished password does the attacker's work for them.