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Steffen Ullrich

IT-Security, SSL/TLS, network programming, machine learning, Perl, Python, C, Go ...

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  • Member for 7 years
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472 SQL injection is 17 years old. Why is it still around? Jun 27 '16
179 Why do phishing e-mails use faked e-mail addresses instead of the real one? Mar 5 '19
159 Should I be worried of tracking domains on a banking website? Jul 29 '17
137 Why should browser security be prioritized? Sep 24 '18
126 Is it a security vulnerability to tell a user what input characters are valid/invalid? Jan 14 '20
121 Why do I hear about so many Java insecurities? Are other languages more secure? May 9 '14
112 How resistant are barcodes and QR-codes against attempts to change stored data? Sep 23 '18
110 What is the relationship between “SHA-2” and “SHA-256” Apr 29 '15
105 How can a company ensure cybercriminals destroy hacked data after payment? Jul 21 '20
101 Possible reason for displaying two different websites on single domain? Jan 1 '18
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