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Bozho

Senior Java developer, one of the top stackoverflow users, fluent with Java and Java technology stacks - Spring, JPA, JavaEE. Founder and creator of http://computoser.com and http://welshare.com . Worked on Ericsson projects, Bulgarian e-government projects and large scale recruitment platforms. Member of the jury of the International Olympiad in Linguistics and the Program committee of the North American Computational Linguistics Olympiad

Let’s Kill Security Questions

Bozho November 20, 2020

Security questions still exist. They are less dominant now, but we haven’t yet condemned them as an industry hard enough so that they stop being added to authentication flows. ButContinue 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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Is It Really Two-Factor Authentication?

Bozho September 24, 2020

Terminology-wise, there is a clear distinction between two-factor authentication (multi-factor authentication) and two-step verification (authentication), as this article explains. 2FA/MFA is authentication using more than one factors, i.e. “something youContinue 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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Making Sense of the Information Security Landscape

Bozho August 18, 2020

There are hundreds of different information security solutions out there and choosing which one to pick can be hard. Usually decisions are driven by recommendations, vendor familiarity, successful upsells, complianceContinue 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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My projects

LogSentinel – a next-gen SIEM

SentienlDB – a GDPR-compliant datastore

Computoser – algorithmic music

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This work by Bozhidar Bozhanov is licensed under a Creative Commons Attribution 3.0 Unported License.
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