PeStudio shows you many security relevant details about any application, like:
all libraries that are used by an application
all functions that are imported by an application
all functions (also anonymous) that are exported by an application
all functions that are forwarded to other libraries
all obsolete functions that are exported and imported by an application
whether the Data Execution Prevention (DEP) Windows security mechanism is used
whether the Address Space Layout Randomization (ASLR) Windows security mechanism is used
whether Structured Exception Handling - SEH Windows security mechanism is used
whether some sections are compressed
whether an application is 64-Bit capable
whether an application contains IL Code
which Execution Level will be requested by an application
and many more details...