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Syntactic Sugar Is Not Always Good

Bozho December 11, 2020

This write-up is partly inspired by a recent post by Vlad Mihalcea on LinkedIn about the recently introduced text blocks in Java. More about them can be read here. Now,Continue reading

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Creating a CentOS Startup Screen

Bozho November 25, 2020

When distributing bundled software, you have multiple options, but if we exclude fancy newcomers like Docker and Kubernetes, you’re left with the following options: an installer (for Windows), a packageContinue reading

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My Advice To Developers About Working With Databases: Make It Secure

Bozho November 3, 2020

Last month Ben Brumm asked me for the one advice I’d like to give to developers that are working with databases (in reality – almost all of us). He publishedContinue reading

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Discovering an OSSEC/Wazuh Encryption Issue

Bozho October 12, 2020

I’m trying to get the Wazuh agent (a fork of OSSEC, one of the most popular open source security tools, used for intrusion detection) to talk to our custom backendContinue reading

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OpenSSL Key and IV Padding

Bozho October 10, 2020

OpenSSL is an omnipresent tool when it comes to encryption. While in Java we are used to the native Java implementations of cryptographic primitives, most other languages rely on OpenSSL.Continue reading

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ElasticSearch Multitenancy With Routing

Bozho September 28, 2020

Elasticsearch is great, but optimizing it for high load is always tricky. This won’t be yet another “Tips and tricks for optimizing Elasticsearch” article – there are many great onesContinue reading

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Bulk vs Individual Compression

Bozho August 27, 2020

I’d like to share something very brief and very obvious – that compression works better with large amounts of data. That is, if you have to compress 100 sentences you’dContinue reading

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Encryption Overview [Webinar]

Bozho July 30, 2020

“Encryption” has turned into a buzzword, especially after privacy standards and regulation vaguely mention it and vendors rush to provide “encryption”. But what does it mean in practice? I didContinue reading

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Blockchainizing Existing Databases

Bozho July 17, 2020

Blockchain has been a buzzword for the past several years and it hasn’t lived to its promises (yet). The value proposition usually includes vague claims about trust and unmodifiability, butContinue reading

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Seven Legacy Integration Patterns

Bozho June 21, 2020

If we have to integrate two (or more) systems nowadays, we know – we either use an API or, more rarely, some message queue. Unfortunately, many systems in the worldContinue reading

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