Healthcare and pharmaceutical-distribution giant McKesson has disclosed a cybersecurity incident involving unauthorized access to third-party applications and the theft of data.

McKesson Corporation is an American healthcare company that distributes pharmaceuticals and provides medical supplies, health information technology, and care management tools.

McKesson says it discovered the cybersecurity incident on August 25, 2026, and that its investigation is still in early stages.

“Based on our investigation thus far, including assessments by leading cybersecurity industry experts supporting our response, we’ve confirmed that the unauthorized access to certain third-party applications and the exfiltration of certain data was associated with a subset of customers within our Oncology & Multispecialty and Medical-Surgical business units.”

For now, McKesson provides no information about the amount or nature of the stolen data.

The attack has been claimed by ransomware/extortion group Shiny Hunters. On their leak site the group claims to have stolen hundreds of millions of records containing very sensitive information spanning from Personally Identifiable Information (PII) to Protected Health Information (PHI).

The ShinyHunters extortion group told BleepingComputer that it was behind the attack, claiming it gained access after conducting voice phishing (or vishing) attacks—a form of social engineering—against multiple McKesson employees. Subsequently, the group said it used compromised Okta single-sign-on accounts to access Salesforce and Snowflake environments. It further claimed to have removed approximately 1 TB of data between August 21 and 25.

The group also said the data includes roughly 284 million records, which does not necessarily mean they belong to 284 million unique patients.

A combination of identity information and healthcare-related details could make affected people targets for convincing scams. Criminals could impersonate a pharmacy, insurer, medical provider, debt collector, or patient-support service and use personal details to make the approach appear legitimate.

Healthcare data is especially useful in social-engineering attacks because it can be used to create a sense of urgency: Criminals could scare a target by sending a supposed prescription problem, unpaid claim, delivery issue, appointment change, or request to “verify” insurance details. At this stage, however, McKesson has not confirmed that any particular category of patient data was accessed.

What to do if you’re affected

While waiting for more information about the nature of the breach and how you might be affected, there are a few things you can do:

• Check the company’s advice. Every breach is different, so check with the company to find out what’s happened and follow any specific advice it offers.
• Change your password. You can make a stolen password useless to thieves by changing it. Choose a strong password that you don’t use for anything else. Better yet, let a password manager choose one for you.
• Enable two-factor authentication (2FA). If you can, use a FIDO2-compliant hardware key, laptop, or phone as your second factor. Some forms of 2FA can be phished just as easily as a password, but 2FA that relies on a FIDO2 device can’t be phished.
• Watch out for impersonators. Cybercriminals may contact you posing as the breached company. Check its official website to see if it’s contacting victims, and verify the identity of anyone who contacts you using a different communication channel.
• Take your time. Phishing attacks often impersonate people or brands you know and use themes that require urgent attention, such as missed deliveries, account suspensions, and security alerts.
• Consider not storing your card details. It’s definitely more convenient to let sites remember your card details, but it increases the risk if a company suffers a breach.
• Set up identity monitoring. This can alert you if your personal information is found being traded illegally online and help you recover afterward.

Let’s face it, an incognito window can only do so much. 
 
Breaches, dark web trading, credit fraud. Malwarebytes Identity Theft Protection monitors for all of it, alerts you fast, and comes with identity theft insurance. 

Sextortion scammers are using email addresses from data leaked by the ShinyHunters hacking group to add some credibility to their feeble attempts to convince people they have embarrassing information about them.

Sextortion emails are messages claiming that the scammer recorded you through your webcam while you watched pornography and now demand payment. They have been around for years and keep evolving with small changes in wording and fake technical detail.

In this campaign, the scammers pretend to be ShinyHunters. What hasn’t changed is the basic truth: there is no malware, no recording, and no credible evidence behind the threat. Despite seeing countless versions of these emails over the years, I’ve yet to encounter one that was backed up by the evidence the sender claimed to have.

BleepingComputer reports that ShinyHunters data leaks are fueling a $2,000 sextortion email scam and shared the following example:

“Subject: Information about your online security

Hello,

We are the ShinyHunters hacking group.
A few months ago, we gained access to your devices and started monitoring your online activities.

What happened:
We gained access to the Amtrak.com database where you have an account and easily accessed your email.
You weren’t very careful about the links you opened.
A week later, we installed an exploit on your devices, including your phone, giving us access to your microphone,
camera, keyboard, and all your data.
We have your photos, browsing history, conversations, and contact list.

Among other things, we discovered that you frequently visit adult websites and watch explicit videos.
We managed to record you and created videos of you pleasuring yourself.
With a few clicks, we can share these videos with your friends,
colleagues, and family or even make them public.

Proposal:
Send us $2000 in Bitcoin to the following wallet:
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

We’ll delete everything immediately.
You have 48 hours from the moment you open this email.
Once the payment is received, we’ll remove the malware from your devices.”

BleepingComputer states it has seen data from the Amtrak, Hallmark, ADT, Substack, Betterment, CarGurus, Panera Bread, and McGraw Hill breaches used to target victims in this sextortion email campaign.

A California community college also issued a warning after seeing the campaign target people affected by the Canvas data breach.

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They confirmed that the targeted email addresses had previously appeared in data leaked by ShinyHunters. They also contacted the group, which denied being behind the sextortion emails.

The increase to a $2,000 demand may suggest the scammers paid someone for the email lists. Although it’s more likely they simply downloaded the leaked data after ShinyHunters published it following failed extortion attempts.

A quick check of the Bitcoin address used in the email shows no activity.

Let’s keep it that way. With any luck, these dungeon dwellers will eventually give up trying to scare people out of their hard-earned money.

How to react to sextortion emails

Some sextortion emails are badly written, but many have been polished by AI and look convincing. Regardless of how professional they look, they should be treated the same way: as unsubstantiated threats designed to scare victims into paying.

• First and foremost, never reply to emails of this kind. Responding confirms that someone is actively reading messages sent to that address and may encourage further scam attempts.
• Don’t let yourself be rushed into action. Scammers rely on the fact that you will not take the time to think this through and subsequently make mistakes. Ask for advice if you’re not sure.
• An attachment is not proof. Most sextortion emails contain no evidence at all, and attachments are often used to deliver malware or make the threats appear more convincing.
• If the email includes a password you’ve used before, change it immediately anywhere it’s still in use. Then enable two-factor authentication (2FA) wherever possible. If you’re having trouble keeping track of your passwords, consider using a password manager.
• Delete the message, report it as spam, and move on.

Pro tip: Malwarebytes Scam Guard recognized this email for what it is: sextortion. It can recognize scams and advise you how to proceed.

While these sextortion emails are almost always bluffs, if you’re concerned about webcam spying, Malwarebytes Webcam Monitoring can alert you when applications attempt to access your camera.

Scam or legit? Scam Guard knows.

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Abbott Laboratories, one of the world’s largest healthcare and medical device companies, is investigating two apparently unrelated cyber incidents after confirming unauthorized access to internal systems. While Abbott says there has been no impact on manufacturing, laboratory operations, or patient care, cybercriminal groups ShinyHunters and ShadowByt3$ claim the breaches were far more extensive. Those claims remain unverified at the time of writing and, so far, unsupported by publicly leaked data.

The incidents reportedly involve Abbott’s Cancer Diagnostics business and its LabCentral customer portal for core laboratory diagnostics.

According to a statement released by Abbott on July 16:

“Abbott is investigating a cyber incident in which there was unauthorized access to a limited number of internal systems in our Cancer Diagnostics business only. This does not impact any business operations, product or product availability, manufacturing or lab operations, or our ability to serve patients.”

Regarding LabCentral, Abbott told reporters that it is an externally hosted portal and that there has been “no known exposure of sensitive customer or business information.”

ShinyHunters told BleepingComputer it stole internal documents, contracts, customer information, more than 22 million doctor‑patient notes, over 20 million medical orders, and more than one million US Social Security numbers, along with personally identifiable information (PII) such as names, addresses, dates of birth, emails, and phone numbers.

On July 18, ShinyHunters gave Abbott until July 21 to respond before leaking the alleged data:

“This is a final warning to reach out by 21 July 2026 before we leak along with several annoying (digital) problems that’ll come your way. Make the right decision, don’t be the next headline”

The threat of “digital problems” is a familiar one from ShinyHunters. During the Canvas attacks, the group defaced school login pages and the Canvas app with an on‑screen ransom message.

Separately, ShadowByt3$ claims it accessed the LabCentral portal on July 4, using compromised customer credentials plus a “weak point” in the environment, allegedly exfiltrating technical documentation, manufacturing certificates, operating manuals, technical specs, and regulatory docs for Abbott lab systems.

If the attackers’ claims prove accurate, the breach could affect healthcare providers that use Abbott’s diagnostic systems and potentially expose sensitive patient and healthcare data. Abbott, however, says it has found no evidence that sensitive customer or business information was exposed through the LabCentral incident and has not confirmed any patient data was compromised.

What we can reasonably assume to be true

• There was a genuine compromise affecting Cancer Diagnostics systems. Abbott has publicly acknowledged unauthorized access and engaged incident response and law enforcement. This doesn’t appear to be a purely “fake” extortion attempt.
• There was also a separate cyber incident involving the LabCentral portal. Abbott says the portal primarily hosts public reference material and that it has found no evidence that sensitive customer or business information was exposed.
• Both ShinyHunters and ShadowByt3$ have listed Abbott on their extortion sites and have provided narrative details to media outlets, so this is not just generic name‑dropping.
• As of the latest reporting, neither group has publicly released samples of the data they claim to have stolen.

What Abbott customers can do

There are some actions you can take if you are, or suspect you may have been, the victim of a data breach.

• Check the vendor’s advice. Every breach is different, so check with the vendor to find out what’s happened and follow any specific advice they offer.
• Change your password. You can make a stolen password useless to thieves by changing it. Choose a strong password that you don’t use for anything else. Better yet, let a password manager choose and store one for you.
• Enable two-factor authentication (2FA). If you can, use a FIDO2-compliant hardware key, laptop, or phone as your second factor. Some forms of 2FA can be phished just as easily as a password. 2FA that relies on a FIDO2 device can’t be phished.
• Watch out for impersonation scams. Criminals may contact you pretending to be the company. Check the company’s website to see how it is contacting affected customers, and verify anyone who contacts you using a different communication channel.
• Take your time. Phishing attacks often impersonate people or brands you know, and create a false sense of urgency with messages about missed deliveries, suspended accounts, or security alerts.
• Consider not storing your card details. It’s definitely more convenient to get sites to remember your card details for you, but we highly recommend not storing that information on websites.
• Set up identity monitoring. Identity monitoring alerts you if your personal information is found being traded illegally online and helps you recover if your identity is stolen.

The Eastman Kodak Company (Kodak) confirmed to BleepingComputer that it is investigating a security breach after the ShinyHunters extortion group claimed responsibility for the incident.

Kodak is the latest organization to land on the group’s leak site. ShinyHunters claims it stole more than 2.2 million records and threatened to publish the data unless the company responded by June 18.

“Over 2.2 million records containing customer PII and other internal corporate data was compromised. This is a final warning to reach out by 18 June 2026 before we leak along with several annoying (digital) problems that’ll come your way.”

Kodak has now confirmed a data breach, while also saying the incident was limited in scope, contained, and did not pose a threat to its systems or operations.

ShinyHunters has been busy making the same point across multiple victims: modern extortion is often less about ransomware (encryption) and more about access, stealing valuable data, and applying pressure.

ShinyHunters claims it stole customer information and internal corporate data, but has not publicly provided proof. That’s a common pattern for extortion groups. They make public claims, set a deadline, and use the threat of a data leak to pressure victims before the full facts are known.

Kodak told SecurityWeek that an unauthorized third party gained access to a limited amount of company data, and that the incident appears to have been contained. The company said it brought in external cybersecurity experts, notified law enforcement, and believes there is no threat to its systems or operations.

It’s not yet known how the attackers gained entry to Kodak’s systems, but the extortion group is well-known for social engineering, bribery, and utilizing zero-day vulnerabilities to perform supply-chain attacks. The investigation is ongoing.

How to stay safe

While Kodak works to determine who was affected and exactly what information was accessed, there’s no reason to panic. But there are a few things you can do:

• Change the password on your Kodak account and make sure you haven’t reused the same password on other accounts.
• Turn on multi-factor authentication (MFA) wherever possible, to ensure that a stolen password is not enough to take over your account.
• If you’re in the US, consider placing a credit freeze with Equifax, Experian, and TransUnion. A credit freeze helps prevent identity thieves from opening new accounts in your name by blocking lenders from accessing your credit file.
• Depending on the information involved, Kodak may offer affected customers free credit monitoring. Even if it doesn’t, you may want to consider identity monitoring services, which can alert you if your personal information appears in suspicious places or is used to open accounts, apply for credit, or commit fraud.
• Check your Digital Footprint regularly to see if your personal details have been exposed.

Cybercriminals often exploit the confusion that follows a breach. They know victims will be expecting emails and updates from the affected company, making phishing messages more convincing.

Monitor Kodak’s official website for updates, and be skeptical of unsolicited emails, texts, or phone calls the reference the incident. Look for inconsistencies, unusual sender addresses, and strange links, and watch out for the two biggest warning signs: pressure to act immediately and requests for money, passwords, or personal information.

Let’s face it, an incognito window can only do so much. 
 
Breaches, dark web trading, credit fraud. Malwarebytes Identity Theft Protection monitors for all of it, alerts you fast, and comes with identity theft insurance. 

Carnival Corporation, parent of Carnival Cruise Line, is sending out fresh “Notice of Cybersecurity Event” letters dated May 27, 2026. If you feel like you’ve read that sentence before, you’re not imagining things. Over the last decade, the world’s largest cruise operator has accumulated a worrying track record of breaches, ransomware incidents, and regulatory penalties, with this 2026 incident adding yet another entry to an already lengthy cybersecurity history.

There are several data breaches involving Carnival Corporation or one of its subsidiaries in our database.

Between 2019 and 2021 alone, Carnival reported four separate cybersecurity events to the New York Department of Financial Services. These included two ransomware attacks and a phishing incident in which attackers deployed malware, accessed and encrypted internal systems, and stole personal customer and employee information.

In this latest case, an attacker used social engineering to trick a Carnival employee into granting access to part of the company’s IT systems on April 14, 2026. By April 22, they used a compromised account to access a “limited portion” of Carnival’s IT systems, where they were able to copy personal data before being blocked.

According to the data breach notice filed in Maine, a total of 5,995,277 people were affected. Carnival determined that the intruder had illegally copied files containing personal information and is now writing to affected individuals to tell them that “data elements” relating to them were obtained.

Researchers cited by Gblock say the stolen data appears to include:

• Full names
• Email addresses
• Dates of birth
• Genders
• Mariner Society membership status and tier
• Internal customer identifiers

The template letter does not list specific data fields. Instead, it uses a placeholder:

“We have determined that your <<data elements>> were obtained.”

This strongly suggests that Carnival is populating each letter with data categories relevant to that particular individual, a common pattern in large breaches where people may have provided different information at different times.

Furthermore, the letters contain the usual content about the speed with which the company acted, involving third‑party experts, and frame the affected systems as a limited subset of the environment. For recipients, the important fact is not how limited the breach was from the company’s point of view, but whether the exposed information could be used for identity theft, fraud, or highly convincing phishing attacks.

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We do know from past Carnival incidents that exposed data has included names, addresses, dates of birth, passport numbers, health information, and payment details. In previous breaches affecting cruise lines, compromised data has ranged from basic contact details to Social Security numbers and credit card information. Carnival has not publicly disclosed the full categories of data involved in the 2026 incident, but given that this 2026 event again involves “personal information” copied from internal systems, it is reasonable to treat it as a serious privacy incident, even if the exact mix of data varies per person.

The attack was claimed by extortion group ShinyHunters, which is known to steal data and then ask for a ransom. If the victim does not agree to the terms, the data will be published and/or sold to the highest bidder.

From a cybercriminal’s perspective, cruise industry data is highly prized. Cruise passengers are often relatively wealthy, and passenger records can combine identity data (names, addresses, dates of birth, passport numbers), contact data (emails, phone numbers), and potentially payment data (card numbers and sometimes bank details), making them valuable for identity theft, targeted phishing, and fraud.

What to do if you’re affected

To mitigate the fallout, Carnival is offering a complimentary 24‑month TransUnion credit‑monitoring package, delivered via the MyTrueIdentity platform and supported by Cyberscout for fraud assistance.

Be cautious of emails, texts, or calls claiming to come from Carnival or credit-monitoring providers, as cybercriminals often exploit breaches with phishing scams. Read our advice on what to do when you find out you’re involved in a data breach.