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Dozens of packaged foods recalled in listeria outbreak. Here's what you need to know

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Dozens of packaged foods recalled in listeria outbreak. Here's what you need to know

After federal inspectors found potentially deadly bacteria in samples of its products, Modesto-based Rizo Lopez Foods Inc. recalled all of its packaged goods this month, including various types of cotija cheese, yogurt and sour cream.

The bacterium in question, Listeria monocytogenes, can cause listeriosis, a foodborne infection that is often innocuous but occasionally lethal. According to the U.S. Food and Drug Administration, one particular genetic strain of the bacterium has been tied to infections dating back to June 2014.

The agency investigated the string of infections in 2017 and 2021 and found a probable link to queso fresco and similar cheeses, but it couldn’t tell which company or companies had sold the products. Then in January, health officials found the same strain of listeria in a sample of Rizo Bros Aged Cotija. Tests by the FDA at Rizo Lopez Foods’ manufacturing plant also found a sample with that strain, prompting the company to voluntarily recall its entire product line.

Since then, numerous manufacturers of packaged foods that contained Rizo Bros cheeses have recalled their products. These include salads and prepared meals from Dole, Trader Joe’s, Von’s, Costco, Albertsons and Bristol Farms.

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Only 26 infections linked to this strain have been reported to the U.S. Centers for Disease Control and Prevention, but the CDC says that many people who contract listeria don’t report it. The agency interviewed 22 of the people infected, and 16 said they’d eaten queso fresco, cotija or similar cheeses.

Considering the number of products that Rizo Lopez has sold and the small number of reported cases, the odds of someone falling dangerously ill seem slim. Nevertheless, the FDA recommends that people check their refrigerators and freezers for recalled products and throw away any they find.

Here’s what you need to know about the disease and the recent recalls.

What is listeria?

Technically, the term refers to the bacteria, but it often is used instead to refer to listeriosis, the illness. Unusually hardy, the bacteria can survive refrigeration and even freezing, the Mayo Clinic says.

Potential breeding grounds for the bacteria are moist environments, soil, water, decaying vegetation and animals, the FDA says. Food can pick up the bacteria by coming into contact with contaminated surfaces or environments; pets who eat contaminated foods can also spread it through the home.

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What are the symptoms of a listeria infection?

According to the Mayo Clinic, “healthy people rarely become ill from listeria infection.” If you do feel symptoms, they may start like a stomach bug, with vomiting and diarrhea beginning up to 24 hours after eating contaminated food and lasting one to three days. But this kind of illness is rarely diagnosed, the CDC says, because laboratories do not usually look for listeria when testing patients’ stool samples.

The threat is that the infection will spread beyond the stomach, becoming invasive.

According to the CDC, for those who are pregnant, the symptoms of invasive listeriosis are usually like the flu — fever, muscle aches and fatigue — but tend to be mild, if they appear at all. But the risk to a fetus is dire; infection during pregnancy “usually leads to miscarriage, stillbirth, premature delivery, or life-threatening infection of the newborn,” the CDC says.

For those who aren’t pregnant, the symptoms can be serious. They include fever, headache, muscle aches, stiff neck, confusion, loss of balance and seizures. Almost 5% of the non-pregnant people who come down with invasive listeriosis die, according to the CDC.

Who is most at risk?

Because of the danger to fetuses and newborns, pregnant women are a prime risk group. But so are people with weaker immune systems, because of either their age or a medical condition or treatment regimen that lowers their body’s natural defenses.

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The CDC warns that people 65 and older are four times more likely to contract listeriosis than others are. People with cancer are 10 times more likely, and people who need dialysis are 50 times more susceptible.

How is listeria transmitted?

It’s a foodborne disease, which means you get it from eating something contaminated with the bacteria. And those are found most often in unpasteurized dairy products and improperly processed meats, the Mayo Clinic says.

How can you avoid getting infected?

First and foremost, the CDC advises not to eat any of the dairy products manufactured by Rizo Lopez Foods or its customers. In other words, check the recall list (see below, but also check for updates at the FDA’s listeria outbreak web page) and don’t consume those products.

If you had any of those products in your refrigerator or freezer, you should sanitize any surfaces or containers that they touched, following the FDA’s guidelines for safe handling and cleaning. Otherwise, the hardy listeria bacteria will troop across surfaces to contaminate other products.

Where have listeria infections been reported?

The 26 cases tracked by the CDC are primarily spread across the southern and western United States. The largest number of cases — 8, or 30% of the total — have been in California. Arizona and Colorado have each seen four cases, Texas and Tennessee each have two reported cases, and six other states each have one.

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Which products have been recalled?

Rizo Lopez has recalled nearly 60 products, most of which are Mexican cheeses and cremas under the brand names Tio Francisco, Rizo Bros, Casa Cardenas and Campesino.

In addition, the Rizo Lopez recalled product line includes:

  • Cotija cheese, 16-ounce packages by Food City
  • Cotija Enchilado cheese, 16-ounce packages by Food City
  • Crema Mexicana, 16-ounce packages by Food City and Santa Maria, and at retail deli counters by San Carlos
  • Fresco cheese at deli counters by San Carlos, El Huache and La Ordena
  • Oaxaca cheese, 16-ounce packages by Food City, and at retail deli counters by San Carlos
  • Panela cheese, 16-ounce packages by Food City, and at retail deli counters by San Carlos, Dos Ranchitos and La Ordena
  • Queso Crema, 16-ounce packages by Food City, and at retail deli counters by San Carlos
  • Queso Fresco, 10- and 12-ounce packages by Don Francisco, 14-ounce packages by Rio Grande, 16-ounce packages by Food City, and at retail deli counters by San Carlos, Santa Maria and Dos Ranchitos
  • Ricotta cheese, part skim and whole milk varieties, 15-ounce packages by 365 by Whole Foods Market

But wait, there’s more. The FDA on Wednesday released a list of 16 recalled processed food items made in part with dairy products from Rizo Lopez. The brands on the list were Bright Farms, Campesino, Casa Cardenas, Dole, Don Francisco, Don Pancho, Dos Ranchitos, El Huache, Food City, Fresh & Ready Foods, Fresh Express, H-E-B, Jack & Olive, La Ordena, Marketside, Maverick Foods, President’s Choice, Ready Pac Bistro, Rio Grande, Rizo Bros, Rojo’s, San Carlos, Santa Maria, Sprig & Sprout, the Perfect Bite Co., Tio Francisco, Trader Joe’s, and 365 by Whole Foods Market. Some of the 16 items were sold by multiple brands.

Some supermarkets also sold unbranded taco kits, wraps and meals that included recalled Rizo Lopez cheeses. These were Albertsons, Bristol Farms, Carrs-Safeway, Costco, Eagle, Lucky, Pavilions, Randalls, Safeway, Save Mart, Shaw’s, Sprouts, Star Market, Stater Bros. Markets, Tom Thumb and Vons.

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How our AI bots are ignoring their programming and giving hackers superpowers

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How our AI bots are ignoring their programming and giving hackers superpowers

Welcome to the age of AI hacking, in which the right prompts make amateurs into master hackers.

A group of cybercriminals recently used off-the-shelf artificial intelligence chatbots to steal data on nearly 200 million taxpayers. The bots provided the code and ready-to-execute plans to bypass firewalls.

Although they were explicitly programmed to refuse to help hackers, the bots were duped into abetting the cybercrime.

According to a recent report from Israeli cybersecurity firm Gambit Security, hackers last month used Claude, the chatbot from Anthropic, to steal 150 gigabytes of data from Mexican government agencies.

Claude initially refused to cooperate with the hacking attempts and even denied requests to cover the hackers’ digital tracks, the experts who discovered the breach said. The group pummelled the bot with more than 1,000 prompts to bypass the safeguards and convince Claude they were allowed to test the system for vulnerabilities.

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AI companies have been trying to create unbreakable chains on their AI models to restrain them from helping do things such as generating child sexual content or aiding in sourcing and creating weapons. They hire entire teams to try to break their own chatbots before someone else does.

But in this case, hackers continuously prompted Claude in creative ways and were able to “jailbreak” the chatbot to assist them. When they encountered problems with Claude, the hackers used OpenAI’s ChatGPT for data analysis and to learn which credentials were required to move through the system undetected.

The group used AI to find and exploit vulnerabilities, bypass defences, create backdoors and analyze data along the way to gain control of the systems before they stole 195 million identities from nine Mexican government systems, including tax records, vehicle registration as well as birth and property details.

AI “doesn’t sleep,” Curtis Simpson, chief executive of Gambit Security, said in a blog post. “It collapses the cost of sophistication to near zero.”

“No amount of prevention investment would have made this attack impossible,” he said.

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Anthropic did not respond to a request for comment. It told Bloomberg that it had banned the accounts involved and disrupted their activity after an investigation.

OpenAI said it is aware of the attack campaign carried out using Anthropic’s models against the Mexican government agencies.

“We also identified other attempts by the adversary to use our models for activities that violate our usage policies; our models refused to comply with these attempts,” an OpenAI spokesperson said in a statement. “We have banned the accounts used by this adversary and value the outreach from Gambit Security.”

Instances of generative AI-assisted hacking are on the rise, and the threat of cyberattacks from bots acting on their own is no longer science fiction. With AI doing their bidding, novices can cause damage in moments, while experienced hackers can launch many more sophisticated attacks with much less effort.

Earlier this year, Amazon discovered that a low-skilled hacker used commercially available AI to breach 600 firewalls. Another took control of thousands of DJI robot vacuums with help from Claude, and was able to access live video feed, audio and floor plans of strangers.

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“The kinds of things we’re seeing today are only the early signs of the kinds of things that AIs will be able to do in a few years,” said Nikola Jurkovic, an expert working on reducing risks from advanced AI. “So we need to urgently prepare.”

Late last year, Anthropic warned that society has reached an “inflection point” in AI use in cybersecurity after disrupting what the company said was a Chinese state-sponsored espionage campaign that used Claude to infiltrate 30 global targets, including financial institutions and government agencies.

Generative AI also has been used to extort companies, create realistic online profiles by North Korean operatives to secure jobs in U.S. Fortune 500 companies, run romance scams and operate a network of Russian propaganda accounts.

Over the last few years, AI models have gone from being able to manage tasks lasting only a few seconds to today’s AI agents working autonomously for many hours. AI’s capability to complete long tasks is doubling every seven months.

“We just don’t actually know what is the upper limit of AI’s capability, because no one’s made benchmarks that are difficult enough so the AI can’t do them,” said Jurkovic, who works at METR, a nonprofit that measures AI system capabilities to cause catastrophic harm to society.

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So far, the most common use of AI for hacking has been social engineering. Large language models are used to write convincing emails to dupe people out of their money, causing an eight-fold increase in complaints from older Americans as they lost $4.9 billion in online fraud in 2025.

“The messages used to elicit a click from the target can now be generated on a per-user basis more efficiently and with fewer tell-tale signs of phishing,” such as grammatical and spelling errors, said Cliff Neuman, an associate professor of computer science at USC.

AI companies have been responding using AI to detect attacks, audit code and patch vulnerabilities.

“Ultimately, the big imbalance stems from the need of the good-actors to be secure all the time, and of the bad-actors to be right only once,” Neuman said.

The stakes around AI are rising as it infiltrates every aspect of the economy. Many are concerned that there is insufficient understanding of how to ensure it cannot be misused by bad actors or nudged to go rogue.

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Even those at the top of the industry have warned users about the potential misuse of AI.

Dario Amodei, the CEO of Anthropic, has long advocated that the AI systems being built are unpredictable and difficult to control. These AIs have shown behaviors as varied as deception and blackmail, to scheming and cheating by hacking software.

Still, major AI companies — OpenAI, Anthropic, xAI, and Google — signed contracts with the U.S. government to use their AIs in military operations.

This last week, the Pentagon directed federal agencies to phase out Claude after the company refused to back down on its demand that it wouldn’t allow its AI to be used for mass domestic surveillance and fully autonomous weapons.

“The AI systems of today are nowhere near reliable enough to make fully autonomous weapons,” Amodei told CBS News.

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iPic movie theater chain files for bankruptcy

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iPic movie theater chain files for bankruptcy

The iPic dine-in movie theater chain has filed for Chapter 11 bankruptcy protection and intends to pursue a sale of its assets, citing the difficult post-pandemic theatrical market.

The Boca Raton, Fla.-based company has 13 locations across the U.S., including in Pasadena and Westwood, according to a Feb. 25 filing in U.S. Bankruptcy Court in the Southern District of Florida, West Palm Beach division.

As part of the bankruptcy process, the Pasadena and Westwood theaters will be permanently closed, according to WARN Act notices filed with the state of California’s Employment Development Department.

The company came to its conclusion after “exploring a range of possible alternatives,” iPic Chief Executive Patrick Quinn said in a statement.

“We are committed to continuing our business operations with minimal impact throughout the process and will endeavor to serve our customers with the high standard of care they have come to expect from us,” he said.

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The company will keep its current management to maintain day-to-day operations while it goes through the bankruptcy process, iPic said in the statement. The last day of employment for workers in its Pasadena and Westwood locations is April 28, according to a state WARN Act notice. The chain has 1,300 full- and part-time employees, with 193 workers in California.

The theatrical business, including the exhibition industry, still has not recovered from the pandemic’s effect on consumer behavior. Last year, overall box office revenue in the U.S. and Canada totaled about $8.8 billion, up just 1.6% compared with 2024. Even more troubling is that industry revenue in 2025 was down 22.1% compared with pre-pandemic 2019’s totals.

IPic noted those trends in its bankruptcy filing, describing the changes in consumer behavior as “lasting” and blaming the rise of streaming for “fundamentally” altering the movie theater business.

“These industry shifts have directly reduced box office revenues and related ancillary revenues, including food and beverage sales,” the company stated in its bankruptcy filing.

IPic also attributed its decision to rising rents and labor costs.

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The company estimated it owed about $141,000 in taxes and about $2.7 million in total unsecured claims. The company’s assets were valued at about $155.3 million, the majority of which coming from theater equipment and furniture. Its liabilities totaled $113.9 million.

The chain had previously filed for bankruptcy protection in 2019.

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Startup Varda Space Industries snags former Mattel plant in El Segundo

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Startup Varda Space Industries snags former Mattel plant in El Segundo

In an expansion of its business of processing pharmaceuticals in Earth’s orbit, Varda Space Industries is renting a large El Segundo plant where toy manufacturer Mattel used to design Hot Wheels and Barbie dolls.

The plant in El Segundo’s aerospace corridor will be an extension of Varda Space Industries’ headquarters in a much smaller building on nearby Aviation Boulevard.

Varda will occupy a 205,443-square-foot industrial and office campus at 2031 E. Mariposa Ave., which will give it additional capacity to manufacture spacecraft at scale, the company said.

Originally built in the 1940s as an aircraft facility, the complex has a history as part of aerospace and defense industries that have long shaped the South Bay and is near a host of major defense and space contractors. It is also close to Los Angeles Air Force Base, headquarters to the Space Systems Command.

Workers test AstroForge’s Odin asteroid probe, which was lost in space after launch this year.

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(Varda Space Industries)

Varda is one of a new generation of aerospace startups that have flourished in Southern California and the South Bay over the last several years, particularly in El Segundo, often with ties to SpaceX.

Elon Musk’s company, founded in 2002 in El Segundo, has revolutionized the industry with reusable rockets that have radically lowered the cost of lifting payloads into space. Though it has moved its headquarters to Texas, SpaceX retains large-scale operations in Hawthorne.

Varda co-founder and Chief Executive Will Bruey is a former SpaceX avionics engineer, and the company’s spacecraft are launched on SpaceX’s workhorse Falcon 9 rockets from Vandenberg Space Force Base in Santa Barbara County.

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Varda makes automated labs that look like cylindrical desktop speakers, which it sends into orbit in capsules and satellite platforms it also builds. There, in microgravity, the miniature labs grow molecular crystals that are purer than those produced in Earth’s gravity for use in pharmaceuticals.

It has contracts with drug companies and also the military, which tests technology at hypersonic speeds as the capsules return to Earth.

Its fifth capsule was launched in November and returned to Earth in late January; its next mission is set in the coming weeks. Varda has more than 10 missions scheduled on Falcon 9s through 2028.

For the last several decades, the Mariposa Avenue property served as the research and development center for Mattel Toys. El Segundo has also long been a center for the toy industry as companies like to set up shop in the shadow of Mattel.

The Mattel facility “has always been an exceptional property with a legacy tied to aerospace innovation, and leasing to Varda Space Industries feels like a natural continuation of that story,” said Michael Woods, a partner at GPI Cos., which owns the property.

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“We are proud to support a company that is genuinely pushing the boundaries of what’s possible, and are excited to watch Varda grow and thrive here in El Segundo,” Woods said.

As one of the country’s most active hubs of aerospace and defense innovation, El Segundo has seen its industrial property vacancy fall to 3.4% on demand from space companies, government contractors and technology startups, real estate brokerage CBRE said.

Successful startups often have to leave the neighborhood when they want to expand, real estate broker Bob Haley of CBRE said. The 9-acre Mattel facility was big enough to keep Varda in the city.

Last year, Varda subleased about 55,000 square feet of lab space from alternative protein company Beyond Meat at 888 Douglas St. in El Segundo, which it started moving into in June.

Varda will get the keys to its new building in December and spend four to eight months building production and assembly facilities as it ramps up operations. By the end of next year, it expects to have constructed 10 more spacecraft.

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In the future, Varda could consolidate offices there, given its size. Currently, though, the plan is to retain all properties, creating a campus of three buildings within a mile of one another that are served by the company’s transportation services, Chief Operating Officer Jonathan Barr said.

“We already have Varda-branded shuttles running up and down Aviation Boulevard,” he said.

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