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Metacurity.com (https://metacurity.com) is the one-stop destination for leading infosec news and cybersecurity developments. Run by infosec writer and columnist Cynthia Brumfield, Metacurity draws from thousands of sources every day to deliver aggregated summaries of the latest infosec developments. If anyone wants to get in touch with me, on or off the record, you can reach me at cynthia [at] digitalcrazytown.com or on Signal via Cynthia.507. Sign up for our free daily emails at https://www.metacurity.com. Searchable
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Metacurity is changing things up with this week's infosec long-reads issue. Full access to our curated infosec long reads moves behind a subscriber paywall, although free subscribers still get highlights.

Check out this week's selection of good reads that cover

--Why Anthropic decided to keep Mythos under wraps,
-- Iran adopted locally resonant narratives to exploit Irish political tensions,
--Sexual deepfakes are the scourge of schools,
--How insider risk and supply chain compromise afflicted twenty-something billionaires,
--MSG's owner is obsessed with surveillance

Happy reading!
https://www.metacurity.com/best-infosec-long-reads-4-18-the-gap-between-capability-and-accountability-is-widening/

Best infosec long-reads 4/18: The gap between capability and accountability is widening

Why Anthropic decided to keep Mythos under wraps, Iran adopted locally resonant narratives to exploit Irish political tensions, Sexual deepfakes are the scourge of schools, How insider risk and supply chain compromise afflicted twenty-something billionaires, MSG's owner is obsessed with surveillance

Metacurity
The First LSD Trip Was a Literal Bicycle Ride 83 Years Ago. Fans of the Psychedelic Celebrate the Occasion Every April 19

A chemist in Switzerland synthesized a drug that alters consciousness in 1943. His discovery changed the study of medicine, psychiatry and biology—and became a central component of the counterculture movement

Smithsonian Magazine

Do not leave for the weekend until you've checked out today's Metacurity for the most critical infosec developments you need to know, including

--Anthropic’s Mythos heads toward federal use as Hegseth's ban falters,
--Anthropic releases Claude Opus 4.7, which can develop exploit code too,
--Financial officials fear AI models could threaten global banking,
--Russian crypto exchange Grinex suspends ops after $13m loss in cyber incident,
--DraftKings hacker sentenced to 30 months,
--Japan's NYK marine fuel procurement platform hit by a cyber incident,
--Flaw in Anthropic's MCP puts 200k servers at risk,
--DPRK hackers stole $100k from DeFi wallet Zerion,
--Operation PowerOff turned off 75K people using DDoS platforms,
--PoC published for Microsoft Defender zero day RedSun,
--Some Windows domain controllers are entering restart loops,
--New malware strain ZionSiphon targets Israel water plants,
--Hospital patient data may have been stolen during Chipsoft attack,
--Coordinated subdomain takeover campaign targets major US universities,
--DPRK threat actor Sapphire Sleet bypasses built-in Apple protection,
--FBI nabbed "phantom hacking" scam artist at airport,
--Japan launches cyber protection for SMBs,
--CISA still barred from outreach efforts after DHS re-opening
https://www.metacurity.com/anthropics-mythos-heads-toward-federal-use-as-hegseths-ban-falters/

Anthropic’s Mythos heads toward federal use as Hegseth's ban falters

Anthropic releases Claude Opus 4.7, which can develop exploit code too, Financial officials fear AI models could threaten global banking, Russian crypto exchange Grinex suspends ops after $13m loss in cyber incident, DraftKings hacker sentenced to 30 months, much more

Metacurity

What do you guys think?

US transportation secretary touts ‘wildly successful’ program recruiting gamers for air traffic controllers
https://www.semafor.com/article/04/17/2026/usdot-sec-sean-duffy-recruiting-gamers-as-air-traffic-controllers-is-wildly-successful

US transportation secretary touts ‘wildly successful’ program recruiting gamers for air traffic controllers

“We’ve had a flood of young people coming in that want to be air traffic controllers,” Sean Duffy told Semafor World Economy.

Do not leave for the weekend until you've checked out today's Metacurity for the most critical infosec developments you need to know, including

--Anthropic’s Mythos heads toward federal use as Hegseth's ban falters,
--Anthropic releases Claude Opus 4.7, which can develop exploit code too,
--Financial officials fear AI models could threaten global banking,
--Russian crypto exchange Grinex suspends ops after $13m loss in cyber incident,
--DraftKings hacker sentenced to 30 months,
--Japan's NYK marine fuel procurement platform hit by a cyber incident,
--Flaw in Anthropic's MCP puts 200k servers at risk,
--DPRK hackers stole $100k from DeFi wallet Zerion,
--Operation PowerOff turned off 75K people using DDoS platforms,
--PoC published for Microsoft Defender zero day RedSun,
--Some Windows domain controllers are entering restart loops,
--New malware strain ZionSiphon targets Israel water plants,
--Hospital patient data may have been stolen during Chipsoft attack,
--Coordinated subdomain takeover campaign targets major US universities,
--DPRK threat actor Sapphire Sleet bypasses built-in Apple protection,
--FBI nabbed "phantom hacking" scam artist at airport,
--Japan launches cyber protection for SMBs,
--CISA still barred from outreach efforts after DHS re-opening
https://www.metacurity.com/anthropics-mythos-heads-toward-federal-use-as-hegseths-ban-falters/

Anthropic’s Mythos heads toward federal use as Hegseth's ban falters

Anthropic releases Claude Opus 4.7, which can develop exploit code too, Financial officials fear AI models could threaten global banking, Russian crypto exchange Grinex suspends ops after $13m loss in cyber incident, DraftKings hacker sentenced to 30 months, much more

Metacurity
"Until just over a week ago, most policymakers had expected the IMF and World Bank meetings to focus on the conflict in the Middle East, tensions in the private credit market, and elevated levels of government debt," and instead they're focusing on Mythos.
https://www.ft.com/content/5760b56a-ec83-46da-a301-4b0e8c73c238?syn-25a6b1a6=1
Latest AI models could threaten world banking system, financial officials warn

Anthropic’s new Claude Mythos Preview model could expose vulnerabilities in lenders’ cyber defences

Financial Times

Anthropic CEO Dario Amodei is scheduled to walk into the West Wing on Friday for a meeting with White House chief of staff Susie Wiles.

I would love to be a fly on that wall.

Also, enormous applause to Anthropic for defeating the freaking Pentagon. Just amazing.
https://www.axios.com/2026/04/17/anthropic-trump-administration-mythos

Scoop: Anthropic's peace talks

It's a breakthrough in Amodei's effort to resolve the company's bitter AI fight with the Pentagon.

Axios
Europol-supported global operation targets over 75 000 users engaged in DDoS attacks – Operation PowerOFF is a global effort aimed at dismantling criminal DDoS-for-hire infrastructure | Europol

Operation PowerOFF is a global effort aimed at dismantling criminal DDoS-for-hire infrastructure

Europol

Nick Andersen said that CISA still isn’t legally allowed to carry out certain activities, such as outreach, despite ongoing threats to critical infrastructure systems.

https://federalnewsnetwork.com/government-shutdown/2026/04/dhs-officials-warn-about-growing-shutdown-backlogs/

DHS officials warn about growing shutdown backlogs

The DHS shutdown is leading to unpaid utility bills at the Coast Guard, a vacuum of cyber planning activities at CISA, and grounded aircraft at CBP.

Federal News Network
NPR has received two of the largest gifts in the public media network's existence, totaling $113 million. https://www.npr.org/2026/04/16/nx-s1-5787634/npr-113-million-charitable-gifts-connie-ballmer