1. Palo Alto Networks Prisma Access

• Feb 2025 (Prisma SD-WAN): Flow visualization, SGT propagation, GCM encryption, ION 9300 support.https://docs.paloaltonetworks.com/prisma-sd-wan/release-notes/new-features/prisma-sd-wan-release-information/prisma-sd-wan-features-introduced-in-2025/features-introduced-in-february-2025
• Aug 2025 (Strata Cloud Manager): Entity timestamps, region-based config management.https://docs.paloaltonetworks.com/content/techdocs/en_US/strata-cloud-manager/release-notes/new-features-strata-cloud-manager/new-features-in-august-2025

2. Zscaler

• 2025 Upgrades (ZIA/ZPA/ZDX): EDM/IDM in email DLP, tenancy restrictions, Sandbox tokens, NSS exclusions.https://help.zscaler.com/zia/release-upgrade-summary-2025https://help.zscaler.com/zpa/release-upgrade-summary-2025
• Jan/Feb 2026: AI Security Suite, Client Connector 4.7/4.8 (strict enforcement, offload controls, DNS fixes, vuln mitigations). https://www.zscaler.com/press/zscaler-unveils-new-innovations-secure-enterprise-ai-adoptionhttps://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026https://help.zscaler.com/zscaler-client-connector/release-upgrade-summary-2026
• ZPA Feb 2026: RHEL 8/9 RPMs, Private Service Edge VPN (IPsec/GRE, BGP).https://help.zscaler.com/zpa/release-upgrade-summary-2026

3. Cisco Secure Access

• 2025: Universal ZTNA, trusted network detection, scheduled rules, endpoint/email DLP (ML inspection).https://www.cisco.com/site/us/en/products/security/secure-access/index.htmlhttps://www.cisco.com/c/en/us/td/docs/security/cdo/whats-new-for-cisco-defense-orchestrator/m-features-highlights-of-2025.html
• Feb 2026: AI Defense (supply chain governance, prompt injection protection), AI-Aware SASE, ThousandEyes app insights. https://newsroom.cisco.com/c/r/newsroom/en/us/a/y2026/m02/cisco-redefines-security-for-the-agentic-era.html
• Additional: Hybrid ZTNA, AI Access, policy assurance, enterprise browser.https://www.ciscolive.com/c/dam/r/ciscolive/global-event/docs/2025/pdf/BRKSEC-2285.pdf