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knowbe4.webp 2023-06-27 13:00:00 Cyberheistnews Vol 13 # 26 [Eyes Open] La FTC révèle les cinq dernières escroqueries par SMS
CyberheistNews Vol 13 #26 [Eyes Open] The FTC Reveals the Latest Top Five Text Message Scams
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CyberheistNews Vol 13 #26 CyberheistNews Vol 13 #26  |   June 27th, 2023 [Eyes Open] The FTC Reveals the Latest Top Five Text Message Scams The U.S. Federal Trade Commission (FTC) has published a data spotlight outlining the most common text message scams. Phony bank fraud prevention alerts were the most common type of text scam last year. "Reports about texts impersonating banks are up nearly tenfold since 2019 with median reported individual losses of $3,000 last year," the report says. These are the top five text scams reported by the FTC: Copycat bank fraud prevention alerts Bogus "gifts" that can cost you Fake package delivery problems Phony job offers Not-really-from-Amazon security alerts "People get a text supposedly from a bank asking them to call a number ASAP about suspicious activity or to reply YES or NO to verify whether a transaction was authorized. If they reply, they\'ll get a call from a phony \'fraud department\' claiming they want to \'help get your money back.\' What they really want to do is make unauthorized transfers. "What\'s more, they may ask for personal information like Social Security numbers, setting people up for possible identity theft." Fake gift card offers took second place, followed by phony package delivery problems. "Scammers understand how our shopping habits have changed and have updated their sleazy tactics accordingly," the FTC says. "People may get a text pretending to be from the U.S. Postal Service, FedEx, or UPS claiming there\'s a problem with a delivery. "The text links to a convincing-looking – but utterly bogus – website that asks for a credit card number to cover a small \'redelivery fee.\'" Scammers also target job seekers with bogus job offers in an attempt to steal their money and personal information. "With workplaces in transition, some scammers are using texts to perpetrate old-school forms of fraud – for example, fake \'mystery shopper\' jobs or bogus money-making offers for driving around with cars wrapped in ads," the report says. "Other texts target people who post their resumes on employment websites. They claim to offer jobs and even send job seekers checks, usually with instructions to send some of the money to a different address for materials, training, or the like. By the time the check bounces, the person\'s money – and the phony \'employer\' – are long gone." Finally, scammers impersonate Amazon and send fake security alerts to trick victims into sending money. "People may get what looks like a message from \'Amazon,\' asking to verify a big-ticket order they didn\'t place," the FTC says. "Concerned Ransomware Spam Malware Hack Tool Threat FedEx APT 28 APT 15 ChatGPT ChatGPT ★★
ErrataRob.webp 2018-06-27 15:49:15 Lessons from nPetya one year later (lien direct) This is the one year anniversary of NotPetya. It was probably the most expensive single hacker attack in history (so far), with FedEx estimating it cost them $300 million. Shipping giant Maersk and drug giant Merck suffered losses on a similar scale. Many are discussing lessons we should learn from this, but they are the wrong lessons.An example is this quote in a recent article:"One year on from NotPetya, it seems lessons still haven't been learned. A lack of regular patching of outdated systems because of the issues of downtime and disruption to organisations was the path through which both NotPetya and WannaCry spread, and this fundamental problem remains." This is an attractive claim. It describes the problem in terms of people being "weak" and that the solution is to be "strong". If only organizations where strong enough, willing to deal with downtime and disruption, then problems like this wouldn't happen.But this is wrong, at least in the case of NotPetya.NotPetya's spread was initiated through the Ukraining company MeDoc, which provided tax accounting software. It had an auto-update process for keeping its software up-to-date. This was subverted in order to deliver the initial NotPetya infection. Patching had nothing to do with this. Other common security controls like firewalls were also bypassed.Auto-updates and cloud-management of software and IoT devices is becoming the norm. This creates a danger for such "supply chain" attacks, where the supplier of the product gets compromised, spreading an infection to all their customers. The lesson organizations need to learn about this is how such infections can be contained. One way is to firewall such products away from the core network. Another solution is port-isolation/microsegmentation, that limits the spread after an initial infection.Once NotPetya got into an organization, it spread laterally. The chief way it did this was through Mimikatz/PsExec, reusing Windows credentials. It stole whatever login information it could get from the infected machine and used it to try to log on to other Windows machines. If it got lucky getting domain administrator credentials, it then spread to the entire Windows domain. This was the primary method of spreading, not the unpatched ETERNALBLUE vulnerability. This is why it was so devastating to companies like Maersk: it wasn't a matter of a few unpatched systems getting infected, it was a matter of losing entire domains, including the backup systems.Such spreading through Windows credentials continues to plague organizations. A good example is the recent ransomware infection of the City of Atlanta that spread much the same way. The limits of the worm were the limits of domain trust relationships. For example, it didn't infect the city airport because that Windows domain is separate from the city's domains.This is the most pressing lesson organizations need to learn, the one they are ignoring. They need to do more to prevent desktops from infecting each other, such as through port-isolation/microsegmentation. They need to control the spread of administrative credentials within the organization. A lot of organizations put the same local admin account on every workstation which makes the spread of NotPetya style worms trivial. They need to reevaluate trust relationships between domains, so that the admin of one can't infect the others.These solutions are difficult, which is why news articles don't mention them. You don't have to know anything about security to proclaim "the problem is lack of patches". It's moral authority, chastising the weak, rather than a proscription of what to do. Solving supply chain hacks and Windows credential sharing, though, is hard. I don't know any universal solution to this -- I'd have to thoroughly analyze your network and business in order to Ransomware Malware Patching FedEx NotPetya Wannacry
Last update at: 2024-05-11 08:07:50
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