Again: "Somebody knows your password" (Google)

[J. L.]

On 18.10.2017 21:55, J. L. wrote:
> On 13.10.2017 14:57, Volker Wysk wrote:
>> Hi!
>>
>> Google notifies me by mail that a log in attempt, with my password, has been 
>> prevented, because of the device being unknown.
>>
>> I've already had this problem some two months ago. I'm not asking for the same 
>> advice again, but there is one question.
>>
>> On Google's "Zuletzt verwendete Geräte" ("last used devices") page, there is 
>> my desktop, my smartphone und one unknown device:
>>
>> "Unbekanntes Gerät 
>> Uhrzeit: 	Vor 8 Stunden
>> Standort: 	Berlin, Deutschland
>> IP-Adresse: 	80.171.232.33"
>>
>> English translation:
>>
>> "Unknown device
>> time: 8 hours ago
>> place: Berlin, Germany
>> IP-Address: 80.171.232.33"
>>
>> What I don't understand, is that the IP address is my real IP address. Does 
>> that mean that that login attempt has originated from my computer? Is my 
>> system compromised..?
>>
>> Or, has maybe Google mistaken my desktop for an "unknown device"..?
>>
>> And: Yes, I've changed the password.
>>
>> Bye
>> V.W.
> 
> Hi!
> 
> I don't use any _account_ on Google therefore i cannot give You any real
> advice but i read this article that remembered me of Your problem and i
> thought the info might perhaps be helpful to / for You:
> 
> https://arstechnica.com/gadgets/2017/10/google-now-offers-special-security-program-for-high-risk-users/
> 

Und hier noch 'ne andere Darstellung:
https://motherboard.vice.com/de/article/kz74ym/google-hat-gmail-gerade-zum-sichersten-e-mail-account-der-welt-gemacht