https://www.convexio.de/ https://www.convexio.de/blog https://www.convexio.de/jobs https://www.convexio.de/impressum https://www.convexio.de/privacy https://www.convexio.de/terms https://www.convexio.de/blog/defense-in-depth-pdf-malware 2026-04-28 https://www.convexio.de/en/ https://www.convexio.de/en/blog https://www.convexio.de/en/jobs https://www.convexio.de/en/impressum https://www.convexio.de/en/privacy https://www.convexio.de/en/terms https://www.convexio.de/en/blog/defense-in-depth-pdf-malware 2026-04-28