# Data loss prevention: what AI models recommend, November 2026

Gane Index, November 2026 Edition. Asked as "data loss prevention platform" and as "DLP tool", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Page: https://www.gane.ai/index/it/security/data-loss-prevention

**Standing:** Microsoft Purview DLP leads with 48% of first choices; verdict clear leader. 56 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Microsoft Purview DLP](https://www.gane.ai/index/it/vendors/microsoft-purview-dlp/index.md) | 48% | 6% | 64 |
| 2 | [Safetica ONE](https://www.gane.ai/index/it/vendors/safetica-one/index.md) | 14% | 3% | 32 |
| 3 | [Teramind DLP](https://www.gane.ai/index/it/vendors/teramind-dlp/index.md) | 7% | 14% | 14 |
| 4 | [Nightfall AI](https://www.gane.ai/index/it/vendors/nightfall-ai/index.md) | 5% | 4% | 28 |
| 6 | [Netskope DLP](https://www.gane.ai/index/it/vendors/netskope-dlp/index.md) | 2% | 0% | 27 |
| 7 | [Cyberhaven](https://www.gane.ai/index/it/vendors/cyberhaven/index.md) | 2% | 0% | 16 |
| 8 | [Netwrix Endpoint Protector](https://www.gane.ai/index/it/vendors/netwrix-endpoint-protector/index.md) | 2% | 5% | 20 |
| 9 | [Proofpoint Enterprise DLP](https://www.gane.ai/index/it/vendors/proofpoint-enterprise-dlp/index.md) | 2% | 24% | 17 |
| 10 | [Forcepoint DLP](https://www.gane.ai/index/it/vendors/forcepoint-dlp/index.md) | 2% | 42% | 52 |
| 18 | [Zscaler Internet Access](https://www.gane.ai/index/it/vendors/zscaler-internet-access/index.md) | 0% | 0% | 15 |
| 19 | [CurrentWare](https://www.gane.ai/index/it/vendors/currentware/index.md) | 0% | 0% | 10 |
| 20 | [Strac](https://www.gane.ai/index/it/vendors/strac/index.md) | 0% | 0% | 10 |

Rank is by share of first choices among all 95 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Safetica ONE; alternatives Kitecyber, Microsoft Purview DLP, Netwrix Endpoint Protector
- GPT-5.4 mini: Microsoft Purview DLP; alternatives Forcepoint DLP, Netskope DLP
- Gemini 3.5 Flash: Microsoft Purview DLP; alternatives Cyberhaven, Netskope Next-Gen DLP, Netwrix Endpoint Protector, Nightfall AI
- Perplexity Sonar: Microsoft Purview DLP; alternatives CurrentWare, Nightfall AI, Safetica ONE, Strac
- Grok 4.20: Microsoft Purview DLP; alternatives Nightfall AI, Safetica ONE
- Mistral Small: Microsoft Purview DLP; alternatives CurrentWare, Safetica ONE
- DeepSeek V4 Flash: Microsoft Purview DLP; alternatives Cyberhaven, Forcepoint DLP, Proofpoint Enterprise DLP, Safetica ONE
- Llama 4 Maverick: Microsoft Purview DLP; alternatives Check Point DLP, Forcepoint DLP, Safetica ONE
- Qwen 3.7 Flash: Safetica ONE; alternatives DoControl, Forcepoint DLP, Microsoft Purview DLP, Nightfall AI
- Kimi K2: Next DLP; alternatives Microsoft Purview DLP, Safetica ONE
- GLM 4.7 FlashX: Microsoft Purview DLP; alternatives Forcepoint DLP, Safetica ONE
- MiniMax M2.5: Microsoft Purview DLP; alternatives Cyberhaven, Nightfall AI
- GPT-6 Luna: Microsoft Purview DLP; alternatives Netskope DLP, Nightfall AI
- Muse Glimmer 30B: no first choice

## Sources the answers cite

73 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- aimultiple.com: 31 answers, 37 citations
- strac.io: 27 answers, 29 citations
- checkpoint.com: 19 answers, 19 citations
- underdefense.com: 18 answers, 18 citations
- g2.com: 17 answers, 33 citations
- microsoft.com: 16 answers, 20 citations
- kitecyber.com: 16 answers, 19 citations
- static.fortra.com: 16 answers, 18 citations

Pages named in the most answers:

- https://aimultiple.com/dlp-software (30 answers)
- https://checkpoint.com/cyber-hub/threat-prevention/what-is-data-loss-prevention/top-6-data-loss-prevention (19 answers)
- https://underdefense.com/blog/dlp-solutions (18 answers)
- https://static.fortra.com/corporate/pdfs/other/fta-corp-radicati-data-loss-prevention-market-quadrant-report-2024.pdf (16 answers)
- https://kitecyber.com/blog/best-data-loss-prevention-solutions-mid-market (14 answers)
- https://strac.io/blog/top-7-data-loss-prevention-solutions-comparison-and-dlp-evaluation-checklist (14 answers)
- https://gartner.com/reviews/market/data-loss-prevention (13 answers)
- https://techradar.com/best/best-data-loss-prevention (13 answers)
- https://currentware.com/blog/best-data-loss-prevention-software (12 answers)
- https://miniorange.com/blog/top-data-loss-prevention-tools (11 answers)

## Warned against

- Symantec Data Loss Prevention: 23 of 40 labels negative. "Reviews cite a "rough and difficult to adopt interface", heavy endpoint agents that impact performance, and reliability issues." (Claude Haiku 4.5, negative prompt)
- Forcepoint DLP: 22 of 52 labels negative. "Avoid starting with Forcepoint, Symantec, or similar enterprise platforms" (Perplexity Sonar, budget prompt)
- Trellix DLP: 10 of 21 labels negative. "Has faced transition challenges following the McAfee/FireEye merger into Trellix, making competitive adoption less common outside its installed base." (Gemini 3.5 Flash, comparative prompt)
- Digital Guardian: 5 of 13 labels negative. "Some users report complex deployment and configuration - Customer support has received mixed reviews - Higher total cost of ownership than expected" (MiniMax M2.5, negative prompt)

## Movement since October 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: Microsoft Purview DLP at 48%.

- Teramind DLP: 0% to 7%, +7. Inside the floor by 4 points · rank 28 → 3 of 95.
- Forcepoint DLP: 8% to 2%, −6. Inside the floor by 5 points · rank 3 → 10 of 95.
- Netskope DLP: 6% to 2%, −4. Inside the floor by 7 points · rank 4 → 6 of 95.
- Nightfall AI: 2% to 5%, +3. Inside the floor by 8 points · rank 5 → 4 of 95.
- Cyberhaven: 0% to 2%, +2. Inside the floor by 9 points · rank 18 → 7 of 95.
- CurrentWare: 2% to 0%, −2. Inside the floor by 9 points · rank 6 → 19 of 95.
- Strac: 2% to 0%, −2. Inside the floor by 9 points · rank 9 → 20 of 95.
- Microsoft Purview DLP: 47% to 48%, +1. Inside the floor by 10 points · rank 1 of 95, unchanged.
- Safetica ONE: 15% to 14%, −1. Inside the floor by 10 points · rank 2 of 95, unchanged.
- Netwrix Endpoint Protector: 2% to 2%, ±0. Inside the floor by 11 points · rank 7 → 8 of 95.
- Proofpoint Enterprise DLP: 2% to 2%, ±0. Inside the floor by 11 points · rank 8 → 9 of 95.
- Zscaler Internet Access: 0% to 0%, ±0. Inside the floor by 11 points · rank 19 → 18 of 95.

## Record

- Method: https://www.gane.ai/index/it/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/it.