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Warning: Hackers could take over your email account by stealing cookies, even if you have MFA

Malwarebytes

The Federal Bureau of Investigation (FBI) has issued a warning that cybercriminals are taking over email accounts via stolen session cookies, allowing them to bypass the multi-factor authentication (MFA) a user has set up. Cybercriminals could use your account to spread spam and phishing emails to your contacts.

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Booking.com Phishers May Leave You With Reservations

Krebs on Security

Booking.com said it now requires 2FA , which forces partners to provide a one-time passcode from a mobile authentication app (Pulse) in addition to a username and password. Booking.com did not respond to questions about that, and its current account security advice urges customers to enable 2FA.

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A large botnet targets M365 accounts with password spraying attacks

Security Affairs

A botnet of 130,000+ devices is attacking Microsoft 365 accounts via password-spraying, bypassing MFA by exploiting basic authentication. SecurityScorecard researchers discovered a botnet of over 130,000 devices that is conducting password-spray attacks against Microsoft 365 (M365) accounts worldwide.

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CISA warns of RESURGE malware exploiting Ivanti flaw

Security Affairs

Cybersecurity and Infrastructure Security Agency (CISA) warns of RESURGE malware, targeting a vulnerability in Ivanti Connect Secure (ICS) appliances. Cybersecurity and Infrastructure Security Agency (CISA) published a Malware Analysis Report (MAR) on a new malware called RESURGE. reads the advisory. continues the advisory.

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The great Google Ads heist: criminals ransack advertiser accounts via fake Google ads

Malwarebytes

Table of contents Overview Criminals impersonate Google Ads Lures hosted on Google Sites Phishing for Google account credentials Victimology Who is behind these campaigns? The scheme consists of stealing as many advertiser accounts as possible by impersonating Google Ads and redirecting victims to fake login pages.

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Sendgrid Under Siege from Hacked Accounts

Krebs on Security

Email service provider Sendgrid is grappling with an unusually large number of customer accounts whose passwords have been cracked, sold to spammers, and abused for sending phishing and email malware attacks. “And I just am not seeing anything this egregious in terms of viruses and spams from the other email service providers.”

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MikroTik botnet relies on DNS misconfiguration to spread malware

Security Affairs

Researchers discovered a 13,000-device MikroTik botnet exploiting DNS flaws to spoof 20,000 domains and deliver malware. Infoblox researchers discovered a botnet of 13,000 MikroTik devices that exploits DNS misconfigurations to bypass email protections, spoof approximately 20,000 domains, and deliver malware.

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