We are observing increased (from ~0.5 per day to ~20 per hour) amount of attempts to log in into accounts using leaked credentials from other sites. We will be monitoring this situation and be more vigilant of any suspicious activity, however we also want to take this opportunity to remind you that you should never reuse passwords on any site. We also recommend checking https://haveibeenpwned.com/ and ensuring that you do not both changed passwords on compromised services as well as any other sites that you may have reused it.