The majority of respondents stated that the most important technical barrier when implementing Zero Trust security models was legacy technologies. Legacy technologies consist of systems, technologies, software, or hardware that is outdated or obsolete.
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Appgate. (November 10, 2021). Most important technical barriers when implementing Zero Trust security models worldwide in 2021 [Graph]. In ÀÖ²¥´«Ã½app×îа汾. Retrieved August 18, 2026, from /statistics/1299961/technical-barriers-when-implementing-zero-trust/
Appgate. "Most important technical barriers when implementing Zero Trust security models worldwide in 2021." Chart. November 10, 2021. ÀÖ²¥´«Ã½app×îа汾. Accessed August 18, 2026. /statistics/1299961/technical-barriers-when-implementing-zero-trust/
Appgate. (2021). Most important technical barriers when implementing Zero Trust security models worldwide in 2021. ÀÖ²¥´«Ã½app×îа汾. ÀÖ²¥´«Ã½app×îа汾 Inc.. Accessed: August 18, 2026. /statistics/1299961/technical-barriers-when-implementing-zero-trust/
Appgate. "Most Important Technical Barriers When Implementing Zero Trust Security Models Worldwide in 2021." ÀÖ²¥´«Ã½app×îа汾, ÀÖ²¥´«Ã½app×îа汾 Inc., 10 Nov 2021, /statistics/1299961/technical-barriers-when-implementing-zero-trust/
Appgate, Most important technical barriers when implementing Zero Trust security models worldwide in 2021 ÀÖ²¥´«Ã½app×îа汾, /statistics/1299961/technical-barriers-when-implementing-zero-trust/ (last visited August 18, 2026)
Most important technical barriers when implementing Zero Trust security models worldwide in 2021 [Graph], Appgate, November 10, 2021. [Online]. Available: /statistics/1299961/technical-barriers-when-implementing-zero-trust/
