Threat actors have recently begun to compromise internal Microsoft Exchange servers using the ProxyShell and ProxyLogin vulnerabilities to perform phishing attacks. It is therefore difficult to detect, for which we ask you to be extra cautious.'Įxample phishing email sent to IKEA employees 'This means that the attack can come via email from someone that you work with, from any external organisation, and as a reply to an already ongoing conversations. Other IKEA organisations, suppliers, and business partners are compromised by the same attack and are further spreading malicious emails to persons in Inter IKEA,' explained an internal email sent to IKEA employees and seen by BleepingComputer. 'There is an ongoing cyber-attack that is targeting Inter IKEA mailboxes. These emails are also being sent from other compromised IKEA organizations and business partners.

In internal emails seen by BleepingComputer, IKEA is warning employees of an ongoing reply-chain phishing cyber-attack targeting internal mailboxes. IKEA is battling an ongoing cyberattack where threat actors are targeting employees in internal phishing attacks using stolen reply-chain emails.Ī reply-chain email attack is when threat actors steal legitimate corporate email and then reply to them with links to malicious documents that install malware on recipients' devices.Īs the reply-chain emails are legitimate emails from a company and are commonly sent from compromised email accounts and internal servers, recipients' will trust the email and be more likely to open the malicious documents.

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