Restrict your itinerary, reservations and appointments to only those who need to know and maintain a pre-established system to communicate changes to your families and colleagues. Try to avoid the corporate name when making reservations. Be sure your hosts understand your wishes on publicity associated with your visit. If possible, arrange to be met. Ensure that a recognition signal is used, not your name or company.
Airports are typical targets for terrorist bombs.
Keep away from large stacks of unattended baggage. Avoid large areas of plate glass. Do not leave your baggage unattended. It may be treated as suspicious and you will be involved in a hassle with authorities. Pleading ignorance is no defense.