Ah, the ever-common excuse from corporate IT to avoid any work or change: "it's not secure".
If you add these I'll have bingo:
* "We already have X for this" (X is only vaguely related and/or does it far, far inferior)
* "it's too expensive" (said by $200/hour consultant vetoing $50/month SaaS)
* "it doesn't conform to the architecture" (used for anything that isn't Java and Microsoft Office)
If you add these I'll have bingo: