White Hat Hacking
Meet with other local White Hat Hackers. Gather to discuss "ethical" hacking in today's world. Share tips, network, and talk shop!
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Frequently Asked Questions
Yes! Check out white hat hacking events happening today here. These are in-person gatherings where you can meet fellow enthusiasts and participate in activities right now.
Discover all the white hat hacking events taking place this week here. Plan ahead and join exciting meetups throughout the week.
Absolutely! Find white hat hacking events near your location here. Connect with your local community and discover events within your area.
White Hat Hacking Events Today
Join in-person White Hat Hacking events happening right now
Golden Week Mindfulness Retreat: The Art of Forgiveness and Loving-Kindness
***A 3-night / 4-day mindfulness retreat in Azumino, Nagano. Reconnect with yourself, reconnect with each other, and reconnect with nature.***
Join us this **Golden Week** for a slow, grounding reset in the Japanese Alps. For four days we’ll **put our phones away, meditate, hike, soak in onsen, eat incredible home-cooked meals, and spend time in a small, warm community.**
The theme of this retreat is **The Art of Forgiveness and Loving-Kindness.** We explore this in two ways:
1\. The practice of opening the heart starts with **forgiveness.** The invitation is to begin to release all the emotional baggage we are holding onto — to let go of trying to change the past — and to make deep contact with what’s happening in the present moment.
2\*\*. Loving-kindness, also known as *metta*\*\* in Buddhism, softens the heart and mind and opens the possibility to build a new relationship to ourselves and each other. To, quite literally, befriend ourselves and enter into a more ‘friendly’ way of being. This has the potential to repattern and deeply shift our baseline inner voice and behavior.
We’ll explore these heart-based and compassion practices through **guided meditations, pair practices, and group practices both indoors and outdoors**. There will be plenty of time to go to the onsen, have meaningful conversation, do some light hiking, and enjoy the spacious views of the Japanese alps.
**Details:** 👇
* **Dates:** May 1–4, 2026 (3 nights / 4 days)
* **Location:** Iramu Karapute, Azumino, Nagano (arrive by 5pm [on this train)](https://maps.app.goo.gl/itqYfenJDFwqvdp47)
* **Group size:** Max 12 participants
* **Price:**
✅ **What's included**
* 3 nights / 4 days at the retreat center
* guided meditations + teachings
* 3 meals per day
* 2 onsen trips
transportation to/from Hotaka Station (the nearest station)
* optional 1:1 guidance during the retreat
**❌ Not included:**
The cost of transportation from Tokyo to the retreat center is not included in the price. The easiest way to get to the center is by shinkansen from Tokyo to Hotaka station. This is 7,500 yen one way. Also add-on services (acupuncture, massage, etc. if available)
🌙 **Who this is for**
This retreat is for people who want a kinder, more heart-centered way of practicing mindfulness. Maybe you already meditate and want to explore practices like **metta, forgiveness, and compassion**, not just calm or focus. Or maybe you simply want a few days in nature to slow down, soften, and reconnect.
It will also be a gentle crash course in heart practices, with space to practice both on and off the cushion. For those interested in going deeper, I’ll also offer guidance on how heart practices like metta and forgiveness can support deeper concentration and the jhanas.
🧘♂️ **What we’ll do**
Over the four days we’ll blend:
* guided meditations
* nervous system + presence practices
* heart practices
* nature walks
* two onsen trips
* light partner exercises
* creative / intuitive practices (movement, reflection, simple expression)
There will also be plenty of downtime. This is not a silent retreat, but there will be periods of silence.
🏡 **Accommodation:** The retreat will be at the serene [Iramu Karapute](http://www.iramkarapte358.com/index.html) center in Nagano's wilderness, surrounded by the beauty of the Japanese alps. Food is cooked by the local staff and sourced from their gardens and is one of the highlights. Veggie options available. Max 12 people. 🙂 Picture of rooms [here](https://drive.google.com/file/d/14S4j_GMC2J8YFZxSdBksdGM0d7vz48N9/view)**.**
💴 **Price:** **¥88,000.** **[Pay here](https://buy.stripe.com/aFaeVccl5geB0mrdZLafS1q)** by credit card or here by[ ](https://docs.google.com/document/d/1bq5BFENiVoIQh1ik-dxgyGnjkuiKG4uvIKaS5UgpwBM/edit?usp=drive_web&ouid=106280356530157518704)**[bank transfer](https://docs.google.com/document/d/1bq5BFENiVoIQh1ik-dxgyGnjkuiKG4uvIKaS5UgpwBM/edit?usp=drive_web&ouid=106280356530157518704).**
Bonus: integration night add-on is ¥17,000 (May 4–5). [Pay here.](https://buy.stripe.com/7sY8wO98TgeBb159JvafS1o)
*Cancellation policy:* 100% refund up to 2 days before the retreat 80% refund up to the retreat day. No refunds once the retreat begins.
🌱 **Optional Integration Day**
If you want more space to chill, you can stay one extra night: **May 4 → May 5 (checkout at noon): ¥17,000.** This includes meals, guided meditation morning + evening, optional 30-minute private coaching / meditation session with me, and a full free day to walk, journal, rest, return to the onsen, and integrate. That makes the full experience 4 nights / 5 days.
**🧥 What to Bring:**
* A towel for the shower + onsen
* Comfortable clothes; sweat pants, yoga pants, hoodies.
* Comfortable shoes for walking/hiking
* Water bottle
* Notebook
* An open heart and open mind :)
📍 **Meeting Point:** [Iramu Karapute](http://iramkarapte358.com/) and location on [Google maps](https://goo.gl/maps/BNabV1G2S4maeJLe9?coh=178573&entry=tt). We will meet at Hotaka station. I recommend [this train.](https://maps.app.goo.gl/itqYfenJDFwqvdp47) The retreat will provide free car transportation from **Hotaka station to the center at 5:00pm Friday,** meeting at Hotaka station. Our dinner is at 6pm and opening ceremony at 7pm. If you plan to arrive earlier or later, you can get a taxi from there to the center. If taking a car directly there, parking nearby is provided free of charge.
**📵 Digital detox:** We will take your phone at the start of the retreat and keep it in a safe place until lunch time on Monday. Please make arrangements to be completely offline. Emergency contact is 08051858742 (Misha). Don't worry, we'll get plenty of pictures!
📝 **Questionnaire:** Everyone is required to ***[fill out the questionnaire/ waiver](https://docs.google.com/document/d/1ogceqDpuae5rezZwPKtighkLjUpTmTtzvPFIg9mcRQw/edit?usp=sharing)*** before the retreat.
👥 **About Your Guide: Misha Yurchenko** is a Tokyo-based **certified, trauma-informed meditation teacher and somatic coach** with 10+ years of experience. He has spent time on retreat around the world and practiced a range of techniques. After experiencing extreme burnout from his venture-funded startup, he founded **[Tokyo Mindfulness](https://tokyomindfulness.com/) and is dedicated to helping others on their healing journeys.** He takes an integrated and practical approach combining meditation, breathwork, and nervous system healing to help people let go of the ego, release old habit patterns and find inner freedom. He is the author of several books and lives in Nerima with his family.
White Hat Hacking Events This Week
Discover what is happening in the next few days
Ukulele Club
Ukulele Club is a fun group for all ages and skill levels! There is no teacher, but we all help teach each other. Think of songs you would like to learn, and we can learn them together.
If you don't have an ukulele, we have extra ukuleles
When: *almost* Every Saturday, 10am-11:30am
Admission: food/drink order
Lat's Join 91st Regular Meeting of Ibaraki Toastmasters Club
91st Regular Meeting of Ibaraki Toastmasters Club will be held on from 10.00 to 12.00 (Hybrid). You can join the meeting both online and in person. The meeting will be held based on the way of traditional Toastmasters club meeting. It consists of Table Topic Session, Workshop,Prepared Speech session and Evaluation session in English as follows.
10.00 Call to Order
10.02 Guest Introduction
10.15Table Topic Session
10.30 Intermission
11.00 Prepared Speech Session
11.40 Evaluation Session
11.50 Award Session
12.00 Adjouen
The meeting is full of international atmosphere. Members cosist of American, Philippino, and Japanese. The meeting will be held (Hybrid ) .
We will give the information of URL to those who register the participation in the event.
Golden Week Mindfulness Retreat: The Art of Forgiveness and Loving-Kindness
***A 3-night / 4-day mindfulness retreat in Azumino, Nagano. Reconnect with yourself, reconnect with each other, and reconnect with nature.***
Join us this **Golden Week** for a slow, grounding reset in the Japanese Alps. For four days we’ll **put our phones away, meditate, hike, soak in onsen, eat incredible home-cooked meals, and spend time in a small, warm community.**
The theme of this retreat is **The Art of Forgiveness and Loving-Kindness.** We explore this in two ways:
1\. The practice of opening the heart starts with **forgiveness.** The invitation is to begin to release all the emotional baggage we are holding onto — to let go of trying to change the past — and to make deep contact with what’s happening in the present moment.
2\*\*. Loving-kindness, also known as *metta*\*\* in Buddhism, softens the heart and mind and opens the possibility to build a new relationship to ourselves and each other. To, quite literally, befriend ourselves and enter into a more ‘friendly’ way of being. This has the potential to repattern and deeply shift our baseline inner voice and behavior.
We’ll explore these heart-based and compassion practices through **guided meditations, pair practices, and group practices both indoors and outdoors**. There will be plenty of time to go to the onsen, have meaningful conversation, do some light hiking, and enjoy the spacious views of the Japanese alps.
**Details:** 👇
* **Dates:** May 1–4, 2026 (3 nights / 4 days)
* **Location:** Iramu Karapute, Azumino, Nagano (arrive by 5pm [on this train)](https://maps.app.goo.gl/itqYfenJDFwqvdp47)
* **Group size:** Max 12 participants
* **Price:**
✅ **What's included**
* 3 nights / 4 days at the retreat center
* guided meditations + teachings
* 3 meals per day
* 2 onsen trips
transportation to/from Hotaka Station (the nearest station)
* optional 1:1 guidance during the retreat
**❌ Not included:**
The cost of transportation from Tokyo to the retreat center is not included in the price. The easiest way to get to the center is by shinkansen from Tokyo to Hotaka station. This is 7,500 yen one way. Also add-on services (acupuncture, massage, etc. if available)
🌙 **Who this is for**
This retreat is for people who want a kinder, more heart-centered way of practicing mindfulness. Maybe you already meditate and want to explore practices like **metta, forgiveness, and compassion**, not just calm or focus. Or maybe you simply want a few days in nature to slow down, soften, and reconnect.
It will also be a gentle crash course in heart practices, with space to practice both on and off the cushion. For those interested in going deeper, I’ll also offer guidance on how heart practices like metta and forgiveness can support deeper concentration and the jhanas.
🧘♂️ **What we’ll do**
Over the four days we’ll blend:
* guided meditations
* nervous system + presence practices
* heart practices
* nature walks
* two onsen trips
* light partner exercises
* creative / intuitive practices (movement, reflection, simple expression)
There will also be plenty of downtime. This is not a silent retreat, but there will be periods of silence.
🏡 **Accommodation:** The retreat will be at the serene [Iramu Karapute](http://www.iramkarapte358.com/index.html) center in Nagano's wilderness, surrounded by the beauty of the Japanese alps. Food is cooked by the local staff and sourced from their gardens and is one of the highlights. Veggie options available. Max 12 people. 🙂 Picture of rooms [here](https://drive.google.com/file/d/14S4j_GMC2J8YFZxSdBksdGM0d7vz48N9/view)**.**
💴 **Price:** **¥88,000.** **[Pay here](https://buy.stripe.com/aFaeVccl5geB0mrdZLafS1q)** by credit card or here by[ ](https://docs.google.com/document/d/1bq5BFENiVoIQh1ik-dxgyGnjkuiKG4uvIKaS5UgpwBM/edit?usp=drive_web&ouid=106280356530157518704)**[bank transfer](https://docs.google.com/document/d/1bq5BFENiVoIQh1ik-dxgyGnjkuiKG4uvIKaS5UgpwBM/edit?usp=drive_web&ouid=106280356530157518704).**
Bonus: integration night add-on is ¥17,000 (May 4–5). [Pay here.](https://buy.stripe.com/7sY8wO98TgeBb159JvafS1o)
*Cancellation policy:* 100% refund up to 2 days before the retreat 80% refund up to the retreat day. No refunds once the retreat begins.
🌱 **Optional Integration Day**
If you want more space to chill, you can stay one extra night: **May 4 → May 5 (checkout at noon): ¥17,000.** This includes meals, guided meditation morning + evening, optional 30-minute private coaching / meditation session with me, and a full free day to walk, journal, rest, return to the onsen, and integrate. That makes the full experience 4 nights / 5 days.
**🧥 What to Bring:**
* A towel for the shower + onsen
* Comfortable clothes; sweat pants, yoga pants, hoodies.
* Comfortable shoes for walking/hiking
* Water bottle
* Notebook
* An open heart and open mind :)
📍 **Meeting Point:** [Iramu Karapute](http://iramkarapte358.com/) and location on [Google maps](https://goo.gl/maps/BNabV1G2S4maeJLe9?coh=178573&entry=tt). We will meet at Hotaka station. I recommend [this train.](https://maps.app.goo.gl/itqYfenJDFwqvdp47) The retreat will provide free car transportation from **Hotaka station to the center at 5:00pm Friday,** meeting at Hotaka station. Our dinner is at 6pm and opening ceremony at 7pm. If you plan to arrive earlier or later, you can get a taxi from there to the center. If taking a car directly there, parking nearby is provided free of charge.
**📵 Digital detox:** We will take your phone at the start of the retreat and keep it in a safe place until lunch time on Monday. Please make arrangements to be completely offline. Emergency contact is 08051858742 (Misha). Don't worry, we'll get plenty of pictures!
📝 **Questionnaire:** Everyone is required to ***[fill out the questionnaire/ waiver](https://docs.google.com/document/d/1ogceqDpuae5rezZwPKtighkLjUpTmTtzvPFIg9mcRQw/edit?usp=sharing)*** before the retreat.
👥 **About Your Guide: Misha Yurchenko** is a Tokyo-based **certified, trauma-informed meditation teacher and somatic coach** with 10+ years of experience. He has spent time on retreat around the world and practiced a range of techniques. After experiencing extreme burnout from his venture-funded startup, he founded **[Tokyo Mindfulness](https://tokyomindfulness.com/) and is dedicated to helping others on their healing journeys.** He takes an integrated and practical approach combining meditation, breathwork, and nervous system healing to help people let go of the ego, release old habit patterns and find inner freedom. He is the author of several books and lives in Nerima with his family.
White Hat Hacking Events Near You
Connect with your local White Hat Hacking community
Columbus Code & Coffee 86 @ Improving
Columbus Code & Coffee is an inclusive, informal co-working session. People of all skill levels attend, and we love it that way. Many people (optionally) bring projects to work on, and many other people (optionally) socialize the entire time. It's entirely up to you!
**What to Expect at the Intro Circle**
\~\~\~\~\~\~\~\~\~\~\~\~\~
Near the beginning of the event (1:30 pm), we do a standup:
* Organizer announcements, updates, and logistics
Round 1 - (7 secs max):
* Your name
* What you're working on
* What you can help others with
Round 2:
* Community events you wanna plug. If none, that's cool too.
Round 3:
* Job opportunities you're hiring for OR announce that you are looking for one. If none, that's cool.
After the introduction circle, everything is self-organized! Feel free to work alone, pair up, attend one of our workshops/presentations, or mingle!
Lessons To Help the Introvert to Extrovert!
Do you feel introverted when you are in a group setting? Are you shy?
Do other people have more fun than you do? There are simple life hacks you can use to improve your connection to others and improve your social life.
Talking is one thing. Truly connecting is altogether another. It's the whole experience of connecting with people and forming relationships.
It includes the joy, understanding, and love formed among people.
* In our meetings, you will learn:
* A simple life hack to increase your liking and tolerance of other people, or even of yourself!
* How to become more interested and enjoy conversations with people.
* How to be comfortable in social settings.
* How to be yourself
* How to become more extroverted and,
* How to make connections with people.
Feeling lonely, isolated, or bored? This local meeting is exactly what you need! Come join us!
Be sure to click on the red "Attend" button below to come to the local event. We look forward to seeing you there.
This group is created by the Dianetics and Scientology life improvement center.
Central Ohio Radio Enthusiasts - Radio Signal Analysis Using SDRs and OpenWebRX+
Central Ohio Radio Enthusiasts—CORE—is an informal community for anyone enthusiastic or curious about radio—whether you're new to radio and want to learn or you've been tinkering for years and want to share. Ham radio operators, GMRS users, Meshtastic fans, software-defined radio nerds, makers, and technical and non-technical folks are all welcome. No experience required or expected.
This month we have **Radio Signal Analysis Using SDRs and OpenWebRX+**
with **Scott McCrory**.
Details are are [core.radio](https://core.radio/).
Shut Up & Write!™ Easton Town Center
We'll meet at The Capital One Café, 167 Easton Town Center, Space A-103. This is in the main mall where the Microsoft store used to be, on your left if you're standing at the bottom of the AMC Theater escalator.
Join us on Saturday for an hour of uninterrupted wordmaking!
• What we'll do
Join us for an hour of writing! We’ve discovered that it’s strikingly helpful to write with other writers. See if it’s true for you at 10AM on Saturday mornings.
Be it a book, blog, script, essay, dissertation, resume, melody, poem or just plain work stuff, you are invited to write it with us. No one will see what you've written or give you unsolicited advice. Instead of just thinking about writing, come and get some real writing done.
SCHEDULE:
10:00 - SESSION 1: quick intros.
10:10 - timer starts: write for 1 hour.
11:10 - chat / take off / keep writing.
OPTIONAL SOCIALIZING happens at 11A-11:30ish. Writing is very solitary. Connecting (and sometimes even commiserating) with other writers is a cool thing.
BEING LATE IS OKAY: just show up and get settled, then check-in with me after the session. (I’ll be the person with the Shut Up & Write! sign.) If you were on time, please be willing to make room for the friendly latecomer.
Happy writing and I look forward to seeing you!
• What to bring
Whatever you need to be able to write!
Bring earbuds/earplugs if you want to block noise or the occasional conversation by other patrons. Electrical outlets are limited, so charge your devices before whenever possible.
See you at The Café on Saturday!
CBusData - Practical AI for Power BI Developers
Practical AI for Power BI Developers
A year ago, “agentic AI” was mostly hype for Power BI teams. Today, it deserves your undivided attention. For Power BI pros, there is now a real opportunity to reduce repetitive development work, accelerate delivery, and help developers do more, but only when strong DataOps practices are in place to make AI workflows effective.
This session is a no-nonsense introduction to effective AI patterns for Power BI and Fabric development. Along the way, we will make sense of the growing pile of terminology, including skills, plugins, hooks, and MCP. You will see examples of how modern AI tooling can help with development tasks across Power BI and Fabric, along with the prerequisites, guardrails, and DataOps principles needed to use it responsibly.
Whether you're burned out on AI hype or already using Copilot CLI daily, this session will show you the foundations that are finally making AI-assisted development genuinely useful.
Shut Up & Write! Kingsdale Shopping Center
Greetings writers! Come down and join your fellow wordsmiths for one hour of uninterrupted writing time in the upper level of the Market District Supermarket in Upper Arlington.
The main entrance of the shopping center opens onto stairs/elevator leading up to the 2nd floor cafe section where we will have a table displaying a sign with the Shut Up & Write logo.
Writing is largely a solitary craft. Practicing with others in a community setting may be the thing you need to fire your own routine.
We’ll meet on Wednesday evenings, starting the clock at 6:30, following a brief period of introductions. This is solid writing time and all inclusive. Any project is acceptable, be it fiction, non -fiction, work or homework assignment. All is welcome and will remain private to you.
The market boasts a Starbucks, a full service bar and various affordable food options. Parking is plentiful, free Wifi is provided as well as outlets for charging your devices, though they are somewhat limited, so plan accordingly.
Show up as early as you like, or stay late. This group tends to socialize some, both before and after the alloted time, but this is not mandatory to you. Feel free to come and go as you please and late arrivals are welcome.
The cafe may be noisy on occasion so headphones/ earbuds are reccommended as you see fit.
Please try to RSVP if possible so that we may grab enough seats for all—the venue can be busy at times.
Feel free to message me privately wth any questions and/ or concerns you may have.
Happy writing!
Cocoaheads
Come out to Improving for our monthly iOS and Mac meetings.
This Month's Presentation:
Nothing yet. (You should volunteer).
What is Cocoaheads (http://cocoaheads.org/)?
CocoaHeads is a group devoted to discussion of Apple Computer's Cocoa Framework for programming on MacOS X and iOS (including the iPhone, iPad and Apple Watch). During monthly meetings, members present on their projects and offer tutorials on various programming topics.
What is BuckeyeCocoa (http://buckeyecocoa.org/)?
BuckeyeCocoa is a group of Objective-C/Swift developers/enthusiasts. We host monthly Cocoaheads and near-weekly NSCoder meetings in Columbus, Ohio. The meetings are free to attend.
Presentations!
Presenters welcome! We are always in need of people willing to present material. Any Swift and/or Objective-C related topic is welcome. Times can be 5 minutes (i.e. lightning talks) to a maximum of 2 hours. Interested? Contact info is on the BuckeyeCocoa website.
To volunteer for a presentation contact us at @BuckeyeCocoa on Twitter.
Follow us on Twitter! @BuckeyeCocoa (https://twitter.com/#!/Buckeyecocoa/) For more information: http://buckeyecocoa.org/











