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Institut supérieur technique d'enseignement et de formation (istef.fr) scored grade F (20 of 100 points) in the public Trayyce security check on 14/11/2026. It has been below grade B since the check on 14/11/2026.
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Write a reviewAccording to our checks this website has been below grade B since 14/11/2026, last checked on 14/11/2026, currently grade F. The report lists the missing safeguards.
View findings →The feedback grade comes from reviews submitted on Trayyce and confirmed by e-mail, from three reviews on: A+ from an average of 4.8 stars, A from 4.5, B from 4.0, C from 3.5, D from 3.0, E from 2.0, below that F. We do not verify whether someone was a customer. Reviews on Google, Trustpilot or ProvenExpert are shown separately in the profile and are not included. In the default order the feedback grade does not change the rank.
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