Is Wi-Fi Direct secure by default on the HP DeskJet 2600?
By default, the Wi-Fi Direct setting is in 'Automatic' mode without an administrator password, which allows anyone in wireless range to connect and access all functions and settings of the printer. If higher security levels are desired, HP recommends changing the Wi-Fi Direct Connection Method from 'Automatic' to 'Manual' and establishing an administrator password. (Page 2)
From the official HP Deskjet 2600 All-in-One Printer manual, page 2
Have a follow-up question?
Answers from the official manual.
Common questions