A password hint sits in an uncomfortable spot: it must remind you of a secret while revealing nothing to everyone else who might see the login screen. These password hint security tips are the practical rules for walking that line.
1. Vague to others, vivid to you
This is the master rule. A good hint exploits the asymmetry of your memory: you have the full context, everyone else has the sentence. "The phrase ___ means ___ to us" is gibberish to a stranger and crystal clear to you. Before finalizing any hint, ask: what does this reveal to someone who knows nothing about me? The answer should be "nothing useful".
2. Never include the password — or pieces of it
This sounds obvious, yet breach data shows it is the most violated rule in existence. Do not use:
- The password itself, obviously — a shocking number of real hints were exactly this.
- The first few characters ("starts with Tr...").
- The "clever" transformation ("it's my dog's name backwards"). Attackers try the obvious transforms first.
- The length ("it's 12 characters"). Length is valuable information to a guesser.
3. Avoid public personal facts
Hints built on birthdays, pet names, addresses, schools or mother's maiden names fail because the answers are findable — on social media, in public records, or through people who know you casually. Prefer memories that were never published: the inside joke, the disastrous trip, the teacher only your class remembers.
4. One hint per password
Reusing a hint across accounts links those accounts together in an attacker's mind. If one hint is compromised, every account sharing it becomes easier to guess. Unique passwords deserve unique hints — or better, see tip 7.
5. Update hints when passwords change
An old hint pointing at a retired password is worse than useless: it misleads you and may describe a password pattern you still use elsewhere. When you change a password, change or delete its hint in the same sitting.
6. Remember who can see the screen
Hints appear on login screens — in offices, classrooms, repair shops and shared homes. Never write a hint you would be embarrassed or endangered to have read aloud. If the memory is sensitive, pick a different memory.
7. Know when to skip hints entirely
The strongest move is often no hint at all. A password manager removes the problem hints were invented to solve: it remembers every unique, random password, and you remember one strong master password (or use biometrics). Pair that with two-factor authentication on important accounts, and hints become unnecessary for everything that matters. Reserve hints for the low-stakes cases — a local Windows login, a protected ZIP of holiday photos — where convenience outweighs the risk.
The breach lesson, one more time: when Adobe's hint database leaked, attackers did not need to crack passwords — the hints did the work for them. Treat every hint you write as if it will one day be public. If that thought makes a hint feel unsafe, the hint is unsafe.
Safe starting point: generate a few hint prompts and use the blanks technique — the written hint contains questions only, and the answers never leave your head. It is the simplest way to satisfy every tip on this page at once.
Related guides
- What are password hints — the basics and hard limits.
- Password hint examples — patterns that work.