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#phi

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Dr. Juande Santander-Vela

Probably inspired by being in the mathstodon.xyz instance, I have just published my first entry into the Online Encyclopedia of Integer Series (OEIS), with a series a(n) that represents the number of decimal digits required to to represent Fibonacci(2^n). I have learned a lot thanks to all the OEIS reviewers, including numerical approximations, limits of several software packages, and more.

You can have a look at the series in the link below: oeis.org/A385248

oeis.orgA385248 - OEIS
#OEIS#OnlineEncyclopediaIntegerSeries#IntegerSeries
Dissent Doe :cupofcoffee:

Promises, promises.

Exclusive: Brosix and Chatox promised to keep your chats secured. They didn’t.

A researcher found a misconfigured backup with -- yes, you guessed it -- everything in plaintext instead of encrypted.

Some entities that used the service are medical entities that were actually mentioning protected health information or attaching files with #PHI in the chat.

There were almost 5k Allstate employees using the service and sharing customer #PII in files.

And oh yeah, I found one company gossiping about me and plotting against me after I notified them they were leaking tons of #PHI. I've done them a favor by not publishing all their chat logs about me. :)

There also appeared to be some "dodgy" stuff on the backup, too.

Read the details about the exposed backup in my post at databreaches.net/2025/08/05/ex

#infosec #encryption #databreach #incidentresponse #chatox #brosix #dataleak

@zackwhittaker

Dissent Doe :cupofcoffee:

Kentfield Hospital is a critical care hospital in California. They appear to have been the victim of a cyberattack by World Leaks, who claim to use an exfiltration-extortion model.

The hospital has not responded to an inquiry sent to it over the weekend, so they have neither confirmed nor denied any attack at this point, but I was able to preview the data tranche and reported on it all here:

databreaches.net/2025/07/05/ke

databreaches.netKentfield Hospital victim of cyberattack by World Leaks, patient data involved – DataBreaches.Net
#HIPAA#healthsec#PHI
*
Jennifer

Would you sign this form to take your kid hiking when you are there? I started going on hikes with my local Sierra Club group around 1990. They were a lot of fun and that's how I found out about many of my current favorite hiking locations. Paperwork was minimal, just sign a liability release form. Parents had to sign a release on behalf of their kids. Last year I decided to start leading hikes since nobody in the group was leading hikes to places I found interesting. I took some online classes and a first aid class and started leading some trips. But last month the national Sierra Club told us there is new paperwork for anyone under 18 that requires parents to disclose their child's birthday, doctor, all medications they're taking, and reason for taking the medication. They want these forms collected via insecure personal email or to fill out a paper form at the start of the event and trip leaders would then need to keep those forms at home. 😳 I said hell no I am absolutely not doing that. I told the state chapter I think these forms, especially the part about sending them via email, violate HIPAA rules to safeguard private health information. Was told nah it's fine. Even if that's true, trip leaders do not need this information since we can't administer meds and the parents are there. This whole thing creeps me out so much I've decided to find another group to volunteer for. Attached is the form. Am I overreacting? #SierraClub #PHI #HealthInformation #HIPAA

Brittany Trang

I've heard that people are *still* getting Change Healthcare HIPAA data breach notices, even though the attack happened in Feb.

Why?

Some senators think it's the limited fines companies face for missing the 60-day deadline. They're aiming to change that:

More @STAT:
statnews.com/2024/10/23/change

STAT · Frustrated with Change Healthcare breach, senators propose removing limits on HIPAA finesSenators are proposing to lift the cap on fines for HIPAA data breaches.
#health#healthcare#medicine
Kenneth

998995 are the first six matching digits of #Phi and #Pi. The #Python script I call Phip_Matrix. Is there a pattern?

import decimal

# Set the precision very high to accommodate the calculation
decimal.getcontext().prec = 110

# Calculate Pi and Phi using the decimal module
PI = decimal.Decimal('3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679')
PHI = (decimal.Decimal(1) + decimal.Decimal(5).sqrt()) / 2

# Number of decimal digits to compare
num_digits = 50

# Convert both numbers to strings and extract the fractional part
pi_str = str(PI)[2:2 + num_digits] # Skip "3."
phi_str = str(PHI)[2:2 + num_digits] # Skip "1."

# ANSI escape codes for colors
YELLOW = "\033[93m"
RESET = "\033[0m"

# Print the results with alignment and highlight shared digits in yellow
print(f"{'Decimal of φ (phi)':<30}")
print(f"{'-' * num_digits}")
for i in range(0, num_digits, 10):
phi_segment = ''.join(
f"{YELLOW}{phi_str[i + j]}{RESET}" if phi_str[i + j] == pi_str[i + j] else f"{phi_str[i + j]}"
for j in range(min(10, num_digits - i))
)
print(f"{phi_segment:<30}")

print(f"\n{'Decimal of π (pi)':<30}")
print(f"{'-' * num_digits}")
for i in range(0, num_digits, 10):
pi_segment = ''.join(
f"{YELLOW}{pi_str[i + j]}{RESET}" if pi_str[i + j] == phi_str[i + j] else f"{pi_str[i + j]}"
for j in range(min(10, num_digits - i))
)
print(f"{pi_segment:<30}")

# Compare the decimal strings
if pi_str == phi_str:
print("\nThe decimal representations of π and φ are the same up to the specified number of digits.")
else:
print("\nThe decimal representations of π and φ differ.")

doctorambient

I've been getting emails about an #FTC #settlement with #BetterHelp:

"The FTC says that BetterHelp promised to keep users’ information private but revealed data to Facebook, Snapchat, Pinterest, and Criteo for advertising purposes. This data included email addresses, IP addresses, and **personal answers to health questions**."

For sharing #PHI, apparently, they're going to send me a check for a few bucks!?! WTF?

That's the only punishment?

#protectedhealthinformation#hipaa#hipaaviolation
Erik Jonker

The impact from smaller opensource LLMs like Llama3-8B and Phi-3 could be large. They are not necessarily the best and smartest models but can be easily integrated in software on every device and platform. Also they can be finetuned, improved with RAG to function better for specific tasks and in specific contexts. Exciting times ahead.
#opensource #LLM #AI #Llama #Phi

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