Apple Resources - Lockdown

Apple expands industry-leading commitment to protect users 
from highly targeted mercenary spyware   

  Apple today detailed two initiatives to help protect users
  who may be personally targeted by some of the most
  sophisticated digital threats, such as those from private
  companies developing state-sponsored mercenary spyware.
  Lockdown Mode - the first major capability of its kind,
  coming this fall with iOS 16, iPadOS 16, and macOS Ventura -
  is an extreme, optional protection for the very small number
  of users who face grave, targeted threats to their digital
  security. Apple also shared details about the $10 million
  cybersecurity grant it announced last November to support
  civil society organizations that conduct mercenary spyware
  threat research and advocacy.

  "Apple makes the most secure mobile devices on the market.
  Lockdown Mode is a groundbreaking capability that reflects
  our unwavering commitment to protecting users from even the
  rarest, most sophisticated attacks," said Ivan Krstic,
  Apple's head of Security Engineering and Architecture.
  "While the vast majority of users will never be the victims
  of highly targeted cyberattacks, we will work tirelessly to
  protect the small number of users who are. That includes
  continuing to design defenses specifically for these users,
  as well as supporting researchers and organizations around
  the world doing critically important work in exposing
  mercenary companies that create these digital attacks."

  Lockdown Mode offers an extreme, optional level of security
  for the very few users who, because of who they are or what
  they do, may be personally targeted by some of the most
  sophisticated digital threats, such as those from NSO Group
  and other private companies developing state-sponsored
  mercenary spyware. Turning on Lockdown Mode in iOS 16,
  iPadOS 16, and macOS Ventura further hardens device defenses
  and strictly limits certain functionalities, sharply
  reducing the attack surface that potentially could be
  exploited by highly targeted mercenary spyware.

  At launch, Lockdown Mode includes the following protections:

  Messages: Most message attachment types other than images
  are blocked. Some features, like link previews, are

  Web browsing: Certain complex web technologies, like
  just-in-time (JIT) JavaScript compilation, are disabled
  unless the user excludes a trusted site from Lockdown Mode.

  Apple services: Incoming invitations and service requests,
  including FaceTime calls, are blocked if the user has not
  previously sent the initiator a call or request.

  Wired connections with a computer or accessory are blocked
  when iPhone is locked.

  Configuration profiles cannot be installed, and the device
  cannot enroll into mobile device management (MDM), while
  Lockdown Mode is turned on.

The iPhone Has A New Lockdown Feature You Need To Know About   

  Apple has a reputation for providing top-tier privacy and
  security on all its products. So, when the news broke that
  iPhones were targeted earlier this year by a powerful
  spyware sold to nation-states, we knew it'd only be a matter
  of time before Apple swung into action. And swing into
  action they did.

  Apple not only sued the Israeli-based spyware firm, NSO
  Group, which was responsible for the Pegasus spyware attack,
  but they also included a new feature to amp up security on
  iPhones. Apple is calling the superhero feature "Lockdown
  Mode" and it's an "extreme, optional" security resort (via
  Apple), since spyware like Pegasus only targets a
  hyper-specific set of users. These include dissidents,
  lawyers, journalists, human-rights workers, and politicians.