How well can a Changeling copy voices?

A Changeling’s shapechanger feature allows them to change their voice as an action. But unlike Kenku, the actor feat, and Rogue(Assassin)’s impostor feature, “mimicry” isn’t mentioned.

Are Changelings able to innately mimic voices or is some check required when trying to imitate a voice/vocal mannerisms?

If no check is required, what is the upper limit? Could they transform into a Kenku and use their actions to replicate that race’s mimicry of any sound (e.g changing one’s voice to sound like an animal).

I’ve sent a clear copy of my ID card using the WiFi at work

The title says it all, I needed to send my ID to some website so that they could verify my identity. But I took the picture with my phone, then sent it to myself via Messenger on iOS. I sent the picture to myself on Messenger so that I could download it on my PC and then censor my personal information. Right after I’ve downloaded the image, I realized that I am using the WiFi at work instead of using my own 4G hotspot. The image I sent contains a clear copy of my ID, so does the image that I downloaded. Is there any chances that they can intercept the traffic and obtain a clear copy of my ID?

Browser copy function overridden silently, is this security risk?

I came across a site which overrides copy functionality and injects current page url as paste value. I was trying to select couple of words and instead it copied the page link. Simple developer tools inspection showed event getting overridden with following function

 window.addEventListener("copy", event=>{     const selection = document.getSelection();     event.clipboardData.setData("text/plain", window.location.href),     event.preventDefault() } 

While in this case, it’s annoying but harmless, I’m wondering if it’s good idea to allow user intentions changed without any warnings to the user. Even the test code from mdn copy event allowed me to change to random text without any warning. Basically I’m trying to copy “abcd” to clipboard and browser does copy “wxyz”

Wondering if hackers can takeover this functionality and copy their choice of links or data on clipboard especially when browsers did not seem to be warning you that text you selected and tried to copy has been modified.

I have tried this on latest versions of Firefox and Chromium available on Ubuntu 18.04 and none of the browsers warned me anything.

How can the hardware store copy my car keyfob?

I was recently at my local hardware store, where they were offering copies of car keyfobs. They claimed they could copy ”over 90% of cars on the road” across a number of manufacturers.

I’m wondering how this is possible, given the rolling code encryption used in such keyfobs. I understand a dealership being able to copy keyfobs, presumably with more information available to them from the manufacturer. But how would the hardware store be able to?

My understanding is that it would be impossible to do this by just pressing each button a few times, without incredible computational power. So is there some kind of information that can be extracted off the physical key itself, like an ID?

Or are they taking a more active approach; for example, giving you an entirely new, but compatible, keyfob, which you would then have to reprogram with your car?

And either way, what’s preventing this technique from being used by attackers? In the former case, an attacker would just need brief physical access to the key. The attack surface of the latter case depends on the exact reprogramming process, but I’m still curious how that works: for example, if the key is passing its rolling code constants to the car over the air, could an attacker sniff this transmission?

Can a multiclass Wizard copy any Wizard spell they find into their spellbook?

The Wizard includes the following feature:

Copying a Spell into the Book. When you find a wizard spell of 1st level or higher, you can add it to your spellbook if it is of a level for which you have spell slots and if you can spare the time to decipher and copy it.

Does this mean that a Wizard 1/Cleric 19 can copy any Wizard spell they find into their spellbook?

Is there anything preventing them from casting these spells?

Can I copy prepared Cleric spells that are also on the Wizard spell list into my spellbook?

I’m multiclassing as a Wizard2/Cleric3. I’m wondering if it’s possible to prepare a spell from the cleric spell list and then if it’s also found in the Wizard spell list, would I be able to write it down in my wizard spellbook?

I’m confused by this as the PHB states that if I find a scroll or a book, I can decipher it and boom, it’s in my own book. I’m essentially my own walking book book. I’ve found this in the sidebar in the PHB under wizard regarding spellbooks.

Replacing the Book. You can copy a spell form your own spellbook into another book-for example, if you want too make a backup copy of your spellbook. This is just like copying a new spell into your spellbook, but faster and easier since you understand your own notation and already know how to cast the spell. You spend only 1 hour and 10gp for each level of the copied spell.

If you lose your spellbook, you can use the same procedure to transcribe the spells that you have prepared into a new spellbook. Filling out the remainder of yourspellbook requires you to find new spells to do so, as normal. For this reason, many wizards keep backup spellbooks in a safe place.

Now, lets say that I prepare Protection from Evil and Good, which is a 1st level spell and can both be found in the Cleric spells list and in the Wizard spell list. Shouldn’t it be possible for me to write it down into my spellbook by following the given formula in the “Replacing the Book”; 10gp + 1hour for each level of the copied spell.

I understand that it would have been very different if the holder of the spell I want to copy is another creature (party member or not) but now it’s all me. I know the spells, I own the book, I am the Wizard.

What determines the level of spells a Ritual Caster can copy into the ritual spell book?

The Ritual Caster feat provides for a character to learn and use a limited number of specifically marked spells from the spell list of another class — for instance, a Sorcerer might take Ritual Caster and choose find familiar as one of the first level spells initially in the book when acquired.

The feat also specifies that the Ritual Caster may copy other ritual spells into the spell book, from the same class list they initally chose — but what determines the level of the spells they may so copy and use? Sensibly, it might be a spell level the Ritual Caster could otherwise cast, but that would close the feat from non-casting classes (like a plain Fighter) and reduce its utility for half- or quarter-caster classes (who advance spell levels very slowly compared to, say, Wizards and Clerics).

So, what level spell can my fourth-level Sorcerer put into the ritual spell book? First only? First and second (the level the character can cast)? Or whatever I can find (and if so, what determines if I can cast those spells)?