Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Arno Welzel Newsgroups: comp.mobile.android Subject: Re: Recognising (or not) QR codes Date: Thu, 3 Jul 2025 17:26:09 +0200 Lines: 26 Message-ID: References: <457djl-m9c5.ln1@q957.zbmc.eu> <92vejl-bft5.ln1@q957.zbmc.eu> <1043hls$1kvvg$2@solani.org> <104678i$1mopc$1@solani.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Trace: individual.net 86MsyuiA233snABEAj57rwLa5l/XExwPuhh/hJZcYeQFEGJXdd Cancel-Lock: sha1:rEjZbc9am3C3Yd1P7g2fY5iRw2s= sha256:Q/ttcnJmezBxPxPQ+RolcEreJdPzNOolTuGlsxMZf98= Content-Language: en-US, de-DE In-Reply-To: <104678i$1mopc$1@solani.org> Xref: csiph.com comp.mobile.android:149567 Jörg Lorenz, 2025-07-03 17:22: > On 03.07.25 14:19, Allodoxaphobia wrote: >> On Wed, 2 Jul 2025 17:02:20 +0200, Jörg Lorenz wrote: >>> On 02.07.25 15:24, VanguardLH wrote: >>>> My concern is a QR code can contain a URL. >>> >>> That is their purpose. >> >> And scammers/crackers/evil-doers see an opportunity. > > QR-Codes in public places are very insecure. And in addition QR-codes > should never be used for financial transactions or other security > sensitive activities. Not the QR-Codes themself are insecure - its the websites they link to. Therefore you should always carefully check the URL of the QR-Code before opening it. Otherwise you should also say, that links on websites are very insecure as well and should also not just be opened without checking the URL first. -- Arno Welzel https://arnowelzel.de