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Frank Breedijk
Frank Breedijk

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Nov 11, 2022

Fix for KDC Kerberos issues after patching for CVE-2022–37966

TL&DR: On 17 November 2022, Microsoft released OOB patches to install on all Domain Controllers to fix this issue. Install these patches and remove any workarounds you applied on all other systems. UPDATE 3 17–11: Microsoft is releasing Out-of-band (OOB) security updates today, November 17, 2022 for installation on all…

Microsoft

7 min read

Fix for KDC Kerberos issues after patching for CVE-2022–37966
Fix for KDC Kerberos issues after patching for CVE-2022–37966
Microsoft

7 min read


Jul 4, 2022

The power of intrinsic motivation

Last Wednesday night I had the honor to be part of a group of fellow members of The Dutch Institute for Vulnerability Disclosure (DIVD) to meet, have dinner and speak with, Chris Inglis, the National Cyber Director and advisor to the President. Mr Inglis and his delegation were visiting The…

Cybersecurity

2 min read

The power of intrinsic motivation
The power of intrinsic motivation
Cybersecurity

2 min read


Jan 7, 2022

How we survived the Log4J vulnerability sofar and what to expect in…

This article provides an update on how Schuberg Philis has handled this Log4J vulnerability and shares our perspective on what’s to come. While the situation in the Netherlands has been quiet so far, globally we’ve already seen the first signs of serious attacks making use of Log4Shell. Detailed guides are…

Log4j

4 min read

How we survived the Log4J vulnerability sofar and what to expect in…
How we survived the Log4J vulnerability sofar and what to expect in…
Log4j

4 min read


Dec 15, 2021

How we’re dealing with the Log4J vulnerability

The Log4J vulnerability has commanded our full attention. This appears to be the biggest security event we have had to face yet. Why? Like sugar, Log4j is everywhere. Even hidden in products you didn’t expect it in. And when abused, there’s nothing healthy about it. What’s going on In simple…

Log4j

2 min read

How we’re dealing with the Log4J vulnerability
How we’re dealing with the Log4J vulnerability
Log4j

2 min read


Jun 18, 2021

“Cyberhelden” zijn niet schaalbaar

Een veiligheidscultuur wel. — Op 10 juni verscheen in Trouw dit bericht met oorspronkelijk de titel “Informatiebeveiliger is geen Cyberheld”. In dit bericht haakt economie redacteur Hans Nauta, aan op een onderzoek onder voor de rijksoverheid werkende CISO’s van de Auditdienst Rijk (ADR). Nauta beschrijft de bevindingen uit het rapport in niet mis te…

Cybersecurity

3 min read

“Cyberhelden” zijn niet schaalbaar
“Cyberhelden” zijn niet schaalbaar
Cybersecurity

3 min read


Dec 20, 2019

The “IoT Edge Kit” as a safe and secure pattern to bridge the IT/OT divide

We are all familiar with IT, short for Information Technology, “the use of computers to store, retrieve, transmit, and manipulate data or information.”[1] Computers are omnipresent in today’s society and are indeed mostly used to process information. However, that’s not the only thing computers are used for, they are increasingly…

Internet Of Things

8 min read

The “IoT Edge Kit” as a safe and secure pattern to bridge the IT/OT divide
The “IoT Edge Kit” as a safe and secure pattern to bridge the IT/OT divide
Internet Of Things

8 min read


May 3, 2019

Time to kill (let go off) a darling

Seccubus started with an off-hand remark by my colleague, Anton Opgenoort, that surely it would not be ‘that difficult to put Nessus in a crontab’. Now, 12+ years later I feel that the time has come for me to say goodbye to it. It has become increasingly hard to combine…

Seccubus

2 min read

Time to kill (let go off) a darling
Time to kill (let go off) a darling
Seccubus

2 min read


Jan 3, 2019

Reflections after AWS re:Invent 2018

As I’m sitting on the plane back from 5 days of AWS, I’m reflecting back on this immersive experience. There is still a lot to process, but I would like to share a few general outlines and observations in this post. More AWSome then IaaS

AWS

4 min read

Reflections after AWS re:Invent 2019
Reflections after AWS re:Invent 2019
AWS

4 min read


Nov 29, 2018

AWS re:invent 2018 — Day 4 & 5 reflections

On day four I got in line for the AWS Security Jam a Capture the flag type AWS security event. It was very interesting and educational to go through all the exercises to secure AWS infrastructure and applications. …

AWS

2 min read

AWS

2 min read


Nov 28, 2018

AWS re:invent 2018 — Day 3 refelections

Yesterday’s Benelux drinks were a great success, so my day started a little bit later then usual ;)

AWS

2 min read

AWS re:invent 2018 — Day 3 refelections
AWS re:invent 2018 — Day 3 refelections
AWS

2 min read

Frank Breedijk

Frank Breedijk

75 Followers

CISO of Schuberg Philis

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